NEXV3 SIR Sect M_Att M03_OCT VRTM.xlsx
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- FAA NEXCOM V3 UHF/VHF Radio Federal contract opportunity
- Solicitation number
- 693KA8-23-R-00005
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SIR Attachment M03 - OCT VRTM
| NEXCOM V3 VHF/UHF Radio - OCT VRTM | |||
| Shall # | Should # | FAA-E-37021 | |
| Paragraph | Requirement | OCT | |
| Method | Test Case(s) | Shall Prioritization Level | Should |
Prioritization
| Level | Standard (STD) | ||||||||
| Header | Header | 3.2 | Radio Requirements | Header | Header | Header | Header | Header | |
| 1 | 3.2.a | The radio equipment shall1 be implemented as individual UHF and VHF radios or as multiband UHF/VHF radios1. | I | PS&W | Non-High | N/A | |||
| 2 | 3.2.b | The radio equipment shall2 be implemented as individual receivers and transmitters, i.e., no transceivers will be considered. | I | PS&W | Non-High | N/A | |||
| 3 | 3.2.c | The transmitter(s) shall3 be implemented as either individual low power and high power configurations,1,3 or as an extended power transmitter configuration,1,2,3 as defined in Table 3‑1 and Table 3‑11. | |||||||
| I | PS&W | Non-High | N/A | ||||||
| 1 | 3.2.d | The UHF high power transmitter,1,2,3 or UHF extended power transmitter,1,2,3 should1 be implemented as defined by the desired operational output power function in Table 3‑1 and Table 3‑11. | I | PS&W | N/A | High | |||
| 4 | 3.2.e | If implemented, an extended power transmitter configuration,1,2,3 shall4 have a control parameter for configuring low power or high power modes as defined in Table 3‑16. | Not Evaluated | N/A | |||||
| 5 | 3.2.f | If implemented, an extended power transmitter configuration,1,2,3 shall5 have a control parameter for configuring a RF Output Power Level Low Threshold as defined in ED-137C/5 ANNEX A3 Management Information Base (MIB). | Not Evaluated | N/A | ED-137C/5 | ||||
| 6 | 3.2.g | If implemented, an extended power transmitter configuration,1,2,3 shall6 have a control parameter for configuring a RF Output Power Level High Threshold as defined in ED-137C/5 ANNEX A3 Management Information Base (MIB). | Not Evaluated | N/A | ED-137C/5 | ||||
| 7 | 3.2.h | The VHF transmitter(s) shall7 have a control parameter for adjusting the CLIMAX Offset as defined in ED-137C/5 ANNEX A3 MIB. | D | DMCR | Non-High | N/A | ED-137C/5 | ||
| 2 | 3.2.i | The VHF transmitter(s) should2 have a control parameter with the CLIMAX Offset default setting as defined in Table 3‑17. | D | DMCR | N/A | Non-High | ED-137C/5 | ||
| 8 | 3.2.j | The radio equipment shall8 be implemented such that each individual radio has its own power supply. | I | PS&W | Non-High | N/A | |||
| 9 | 3.2.k | All radio requirements shall9 be met under all operational modes, conditions, and over the frequency range(s) specified in this PD.1,2,3 | Not Evaluated | N/A | |||||
| Header | Header | 3.2.1 | Radio Functions and Software Requirements | Header | Header | Header | Header | Header | |
| Header | Header | 3.2.1.1 | Modes of Operations | Header | Header | Header | Header | Header | |
| 10 | 3.2.1.1.a | The radio equipment shall10 operate in DSB-AM (see section 3.2.1.3) using 25 kHz channel spacing. | T | SAND | Non-High | N/A | |||
| 11 | 3.2.1.1.b | The VHF radio equipment shall11 operate in DSB-AM using 8.33 kHz channel spacing. | T | SAND | Non-High | N/A | |||
| 12 | 3.2.1.1.c | The VHF radio equipment shall12 be user configurable to allow the equipment to operate in either 25 kHz DSB-AM or 8.33 kHz DSB-AM channel spacing. | D | DMCR | Non-High | N/A | |||
| 13 | 3.2.1.1.d | The VHF radio equipment, when configured for 8.33 kHz channel spacing, shall13 operate in compliance with ETSI specification EN-300-6761 (excluding ETSI sections 4.3 and 5). | A | AETS | Non-High | N/A | EN-300-676 | ||
| Header | Header | 3.2.1.2 | Tuning Ranges | Header | Header | Header | Header | Header | |
| 14 | 3.2.1.2.a | The radio equipment shall14 be capable of tuning and operating at all frequencies within the relevant band as defined in Table 3‑2. | D | DSET | Non-High | N/A | |||
| 15 | 3.2.1.2.b | The radio equipment shall15 have a control parameter for configuring all frequencies within the relevant band as defined in ED-137C/5 ANNEX A3 MIB (i.e., Nominal Frequency or Current Frequency). | D | DMCR | Non-High | N/A | ED-137C/5 | ||
| 3 | 3.2.1.2.c | The radio equipment should3 have a control parameter with default settings for UHF and VHF frequencies as defined in Table 3‑17. | D | DMCR | N/A | Non-High | |||
| 16 | 3.2.1.2.d | The radio equipment shall16 have a control parameter for channel spacing within the VHF band as defined in ED-137C/5 ANNEX A3 MIB (i.e., Frequency Spacing or Channel Spacing). | D | DMCR | Non-High | N/A | ED-137C/5 | ||
| 4 | 3.2.1.2.e | The radio equipment should4 have a control parameter with a default setting for VHF channel spacing as defined in Table 3‑17. | D | DMCR | N/A | Non-High | |||
| 5 | 3.2.1.2.f | The radio equipment should5 have a control parameter for tuning the Lowest Tunable Frequency, within the VHF band, as defined in Table 3‑18. | D | DMCR | N/A | Non-High | |||
| 6 | 3.2.1.2.g | The radio equipment should6 have a control parameter for tuning the Highest Tunable Frequency, within the VHF band, as defined in Table 3‑18. | D | DMCR | N/A | Non-High | |||
| Header | Header | 3.2.1.3 | DSB-AM Modulation Method | Header | Header | Header | Header | Header | |
| 17 | 3.2.1.3.a | The radio modulation method shall17 be A3E DSB-AM in accordance with FCC regulations in 47 CFR, Part 2, Frequency Allocations and Radio Treaty Matters; General Rules and Regulations, October 2015; Part 87, Aviation Services, October 2015; and the NTIA Manual of Regulations and Procedures for Federal Radio Frequency Management, September 2017. | A | AMMD | Non-High | N/A | FCC CFR, NTIA | ||
| Header | Header | 3.2.1.4 | Firmware, Processor, Software Upload and Switchover Requirements | Header | Header | Header | Header | Header | |
| 18 | 3.2.1.4.a | The radio equipment shall18 be software/firmware (SWFW) upgradeable. | A | ASPC | Non-High | N/A | |||
| 19 | 3.2.1.4.b | The radio equipment shall19 allow local and remote radio SWFW uploads. | D | DSPR | Non-High | N/A | |||
| 20 | 3.2.1.4.c | The radio equipment, as separate entities, shall20 use no more than 50 percent of their non-volatile memory (as defined in section 6.14, Non-Volatile Memory) for storage under worst-case conditions (e.g., when a radio has SWFW active (in-use) and other SWFW version(s) is/are loaded). | A | ASPC | Non-High | N/A | |||
| 21 | 3.2.1.4.d | The radio equipment, as separate entities, shall21 use no more than 50 percent of their random-access memory (RAM), under worst-case conditions (e.g., when a radio has the SWFW active (in-use) and other SWFW version(s) is/are loaded). | A | ASPC | Non-High | N/A | |||
| 22 | 3.2.1.4.e | The peak utilization of the available resources of each processor within receivers and transmitters, inclusive of Digital Signal Processors (DSPs) and Field Programmable Gate Arrays (FPGAs), shall22 not exceed 50% when placed under its maximum usage1. | A | ASPC | Non-High | N/A | |||
| 23 | 3.2.1.4.f | The radio equipment shall23 support a configurable number of concurrent Session Initiation Protocol (SIP) sessions. | T | SIPT | Non-High | N/A | |||
| 24 | 3.2.1.4.g | The radio equipment shall24 support a minimum of 7 concurrent SIP sessions. | T | SIPT | Non-High | N/A | |||
| 25 | 3.2.1.4.h | The radio equipment shall25 have an internal clock for event logging. | D | DMCR | Non-High | N/A | |||
| 26 | 3.2.1.4.i | Any new radio SWFW upload shall26 not overwrite the designated active radio SWFW version. | D | DSPR | Non-High | N/A | |||
| 27 | 3.2.1.4.j | The switchover to the new uploaded radio SWFW version shall27 only occur upon receipt of a manual radio SWFW switchover command. | D | DSPR | Non-High | N/A | |||
| 28 | 3.2.1.4.k | All existing and current radio settings shall28 be retained during a radio SWFW switchover process. | D | DSPR | Non-High | N/A | |||
| 29 | 3.2.1.4.l | Any new settings introduced in a new radio SWFW version, meaning not present in a previous radio SWFW version, shall29 take their default setting after the radio SWFW switchover process. | D | DSPR | Non-High | N/A | |||
| 30 | 3.2.1.4.m | During the radio SWFW switchover process, the new uploaded radio SWFW version shall30 become the active radio SWFW version, while the prior active SWFW version becomes the previous SWFW version. | D | DSPR | Non-High | N/A | |||
| 31 | 3.2.1.4.n | The radio SWFW switchover process shall31 prevent transmitters from switching to a SWFW version intended for a receiver. | D | DSPR | Non-High | N/A | |||
| 32 | 3.2.1.4.o | The radio SWFW switchover process shall32 prevent receivers from switching to a SWFW version intended for a transmitter. | D | DSPR | Non-High | N/A | |||
| 33 | 3.2.1.4.p | If a switchover to the new radio SWFW version is unsuccessful or rejected, the radio shall33 revert to, or remain with, the previous version of the radio SWFW, perform a Warm Reset, if needed, and return to the last operational state. | D | DSPR | Non-High | N/A | |||
| 7 | 3.2.1.4.q | The time to perform a switchover between SWFW versions within the radio equipment should7 be 3 minutes or less. | D | DSPR | N/A | Non-High | |||
| Header | Header | 3.2.1.5 | Radio Service Recovery | Header | Header | Header | Header | Header | |
| Header | Header | 3.2.1.5.1 | Automatic Radio Service Recovery | Header | Header | Header | Header | Header | |
| 34 | 3.2.1.5.1.a | The radio equipment shall34 automatically recover from AC and DC power interruptions. | T | SASR | |||||
| SISR | Non-High | N/A | |||||||
| 35 | 3.2.1.5.1.b | The radio equipment shall35 resume operational services after recovery from AC and DC power interruptions. | T | SASR | |||||
| SISR | Non-High | N/A | |||||||
| 36 | 3.2.1.5.1.c | The radio equipment shall36 automatically restore operational service using the radio’s monitoring and control parameter settings that were in effect prior to the electrical power service disruption. | T | SASR | |||||
| SISR | Non-High | N/A | |||||||
| Header | Header | 3.2.1.5.2 | User Invoked Radio Service Recovery | Header | Header | Header | Header | Header | |
| 37 | 3.2.1.5.2.a | The radio equipment shall37 have a Factory Reset, as defined in section 6.11, that is user-invoked via the front panel interface (see section 3.2.3.2.1). | D | DFPI | Non-High | N/A | |||
| 38 | 3.2.1.5.2.b | The radio equipment shall38 have a control parameter for a Warm Reset as defined in Table 3‑16 and in section 6.12. | D | DMCR | Non-High | N/A | |||
| Header | Header | 3.2.1.5.3 | Radio Service Recovery Restoral Time | Header | Header | Header | Header | Header | |
| 39 | 3.2.1.5.3.a | The receiver shall39 detect the presence of any RF signal at the antenna port, break squelch, demodulate, and process and present audio to the respective audio interface ports, or be ready to respond to VoIP protocol handshaking requests using a static IP address, within 6 seconds of power reactivation1 from a facility service restoral. | T | SASR | |||||
| SISR | High | N/A | |||||||
| 40 | 3.2.1.5.3.b | The transmitter shall40 re-accept any analog (discrete) push-to-talk (PTT) key from a respective PTT key interface, process any analog audio stream, and modulate an analog stream onto an RF carrier for transmission at the antenna port within 6 seconds of power reactivation1 from a facility service restoral, or be ready to respond to VoIP protocol handshaking requests using a static IP address within 6 seconds of power reactivation1 from a facility service restoral. | T | SASR | |||||
| SISR | High | N/A | |||||||
| Header | Header | 3.2.2 | Performance Requirements | Header | Header | Header | Header | Header | |
| Header | Header | 3.2.2.1 | Receiver Requirements |
| Header | Header | Header | Header | Header | |||||
| Header | Header | 3.2.2.1.1 | Receiver Audio Interfaces | Header | Header | Header | Header | Header | |
| 41 | 3.2.2.1.1.a | The receiver shall41 provide a remote1 analog audio output at the receiver remote interface connector (see section 3.3.1.8). | I | PCON | Non-High | N/A | |||
| 42 | 3.2.2.1.1.b | The receiver remote analog audio level shall42 be controllable via the Maintenance Data Terminal (MDT). | D | DMCR | Non-High | N/A | |||
| 43 | 3.2.2.1.1.c | The receiver remote analog audio level shall43 be controllable via the front panel interface (see section 3.2.3.2.1). | D | DFPI | Non-High | N/A | |||
| 44 | 3.2.2.1.1.d | The receiver shall44 provide a local analog audio output to be used with a headset/headphone (see section 3.3.1.11). | I | PCON | Non-High | N/A | |||
| 45 | 3.2.2.1.1.e | The local1 analog audio output level shall45 be independently controllable from the front panel via a control knob or the front panel interface (if implemented). | D | DFPI | Non-High | N/A | |||
| 46 | 3.2.2.1.1.f | The receiver shall46 have a speaker on the front panel utilizing the local analog audio circuit. | D | DSET | Non-High | N/A | |||
| 8 | 3.2.2.1.1.g | The receiver speaker should8 be disabled when the headset/headphone plug is inserted into the local audio output. | D | DSET | N/A | Non-High | |||
| 47 | 3.2.2.1.1.h | The remote analog audio output shall47 have a balanced 600 ohm (±10 percent) output impedance. | T | RAIF | Non-High | N/A | |||
| 48 | 3.2.2.1.1.i | The local analog audio output shall48 provide audio levels of sufficient amplitude, to allow for monitoring of voice traffic, when terminated with headphone impedances in the range of 30 to 600 ohms. | T | RAIF | Non-High | N/A | |||
| 49 | 3.2.2.1.1.j | The receiver shall49 be capable of sending VoIP audio data via the remote Internet Protocol (IP) interface (see section 3.2.4.3). | D | DIPR | Non-High | N/A | |||
| 50 | 3.2.2.1.1.k | The receiver internal audio delay shall50 not exceed 20 ms as measured between the envelope of the modulated RF signal applied to the antenna input and the demodulated audio available at the analog audio outputs and the remote IP interface via VoIP. | A and T | AIAD | |||||
| RASQ | Non-High | N/A | |||||||
| Header | Header | 3.2.2.1.2 | Receiver Sensitivity | Header | Header | Header | Header | Header | |
| 51 | 3.2.2.1.2.a | The receiver RF input shall51 have 50 ohm normal load1 characteristic impedance. | Lower Level (LL) | Not Evaluated | N/A | ||||
| 52 | 3.2.2.1.2.b | The receiver shall52 produce a SINAD of 10 dB or greater at the remote audio output when a standard desired signal of no more than −102 dBm is present at the receiver RF input2. | T | RASN | High | N/A | |||
| Header | Header | 3.2.2.1.3 | Receiver Rejection of Signals Inside the Operating Bands (See section 3.2.2.1.17). | Header | Header | Header | Header | Header | |
| Header | Header | 3.2.2.1.4 | Receiver Selectivity | Header | Header | Header | Header | Header | |
| 53 | 3.2.2.1.4.a | The selectivity of the receiver shall53 conform to Table 3‑3 with respect to the tuned channel center frequency across the entire frequency band. | A | ARSL | Non-High | N/A | |||
| Header | Header | 3.2.2.1.5 | Receiver Spurious Frequency Rejection | Header | Header | Header | Header | Header | |
| 9 | 3.2.2.1.5.a | The VHF receiver should9 not have image frequencies within the 112.000 MHz to 150.000 MHz band. | A | ARIR | N/A | High | |||
| 10 | 3.2.2.1.5.b | The UHF receiver should10 not have image frequencies within the 225.000 MHz to 399.975 MHz frequency band. | A | ARIR | N/A | High | |||
| 54 | 3.2.2.1.5.c | The sensitivity requirements of section 3.2.2.1.2 shall54 not be degraded by more than 3 dB in the presence of an undesired signal as specified in Table 3‑4 for the relevant receiver type. | A | ARIR | Non-High | N/A | |||
| Header | Header | 3.2.2.1.6 | Receiver Distortion | Header | Header | Header | Header | Header | |
| Header | Header | 3.2.2.1.6.1 | Receiver Intermodulation | Header | Header | Header | Header | Header | |
| 55 | 3.2.2.1.6.1.a | The sensitivity requirements defined in section 3.2.2.1.2 shall55 not be degraded by more than 3 dB in the presence of two undesired signals as defined in Case A of Table 3‑5, with frequencies chosen such that one of the 3rd order products is located on the receiver operating frequency. | T | RAIM | High | N/A | |||
| 56 | 3.2.2.1.6.1.b | The sensitivity requirements defined in section 3.2.2.1.2 shall56 not be degraded by more than 3 dB in the presence of two undesired signals as defined in Case B of Table 3‑5, with frequencies chosen such that one of the 3rd order products is located on the receiver operating frequency. | T | RAIM | High | N/A | |||
| 57 | 3.2.2.1.6.1.c | The sensitivity requirements defined in section 3.2.2.1.2 shall57 not be degraded by more than 3 dB in the presence of two undesired signals as defined in Case C of Table 3‑5, with the frequencies of the undesired signals offset from the receiver operating frequency by +2.0 MHz and +4.0 MHz, or –2.0 MHz and –4.0 MHz, respectively. | T | RAIM | High | N/A | |||
| 58 | 3.2.2.1.6.1.d | The sensitivity requirements defined in section 3.2.2.1.2 shall58 not be degraded by more than 3 dB in the presence of two undesired signals as defined in Case D of Table 3‑5, with frequencies chosen such that the 2nd order products are located on the chosen UHF receiver operating frequency. | T | RAIM | High | N/A | |||
| Header | Header | 3.2.2.1.6.2 | Receiver Cross Modulation | Header | Header | Header | Header | Header | |
| 59 | 3.2.2.1.6.2.a | The sensitivity requirements defined in section 3.2.2.1.2 shall59 not be degraded by more than 2 dB in the presence of a standard undesired signal separated by ±0.5 MHz and at a level 70.0 dB above the rated desired signal. | T | RACM | High | N/A | |||
| 60 | 3.2.2.1.6.2.b | The sensitivity requirements defined in section 3.2.2.1.2 shall60 not be degraded by more than 2 dB in the presence of a standard undesired signal separated by ±1.0 MHz and at a level 75.0 dB above the rated desired signal. | T | RACM | High | N/A | |||
| 61 | 3.2.2.1.6.2.c | The sensitivity requirements defined in section 3.2.2.1.2 shall61 not be degraded by more than 2 dB in the presence of a standard undesired signal separated by ±1.5 MHz and at a level 80.0 dB above the rated desired signal. | T | RACM | High | N/A | |||
| Header | Header | 3.2.2.1.7 | Receiver Frequency Tolerance | Header | Header | Header | Header | Header | |
| 62 | 3.2.2.1.7.a | The frequency tolerance of the receiver reference frequency shall62 be within ±0.0001 percent (±1 ppm) of its reference value for a period of one year following alignment over the full frequency range specified in section 3.2.1.2, and the temperature range specified in section 3.4.3.2 (Operating Conditions). | A | ALOF | Non-High | N/A | |||
| 63 | 3.2.2.1.7.b | The reference used to generate the receiver operating frequency shall63 have a tuning adjustment to compensate for aging during the minimum useful service life1 of the equipment. | A | ALOF | Non-High | N/A | |||
| 64 | 3.2.2.1.7.c | The receiver operating frequency shall64 be adjustable to within ±1 ppm of the tuned channel center frequency. | D | DREC | Non-High | N/A | |||
| 65 | 3.2.2.1.7.d | If a measurement of the receiver frequency reference is required to align the radio to meet the tolerance defined in 3.2.2.1.7.a, the external reference frequency monitor port shall65 have an impedance of 50 ohms. | A | ALOF | Not Separately Evaluated (Shall 62) | N/A | |||
| 66 | 3.2.2.1.7.e | If a measurement of the receiver frequency reference is required to align the radio to meet the tolerance defined in 3.2.2.1.7.a, the external reference frequency monitor port shall66 have a reference signal level greater than or equal to −20 dBm. | A | ALOF | Not Separately Evaluated (Shall 62) | N/A | |||
| 67 | 3.2.2.1.7.f | If a measurement of the receiver frequency reference is required to align the radio to meet the tolerance defined in 3.2.2.1.7.a, the receiver shall67 provide an output of the reference frequency signal for measurement, testing and alignment. | A | ALOF | Not Separately Evaluated (Shall 62) | N/A | |||
| 68 | 3.2.2.1.7.g | If a measurement of the receiver frequency reference is required to align the radio to meet the tolerance defined in 3.2.2.1.7.a, the reference signal monitor port shall68 be sufficiently isolated such that a short circuit applied from the monitor port to ground does not degrade the radio performance as specified in section 3.2.2.1, Receiver Requirements. | A | ALOF | Not Separately Evaluated (Shall 62) | N/A | |||
| Header | Header | 3.2.2.1.8 | Receiver Audio Output Control | Header | Header | Header | Header | Header | |
| 69 | 3.2.2.1.8.a | The remote audio output level of the receiver shall69 be adjustable in the range between −25 dBm (−0/+1 dB) and +10 dBm (−0/+2 dB) in the presence of a standard desired signal. | T | RAAC | Non-High | N/A | |||
| 70 | 3.2.2.1.8.b | The remote audio output level of the receiver shall70 be adjustable in 0.5 dB steps or less. | T | RAAC | Non-High | N/A | |||
| 11 | 3.2.2.1.8.c | The remote audio output level of the receiver should11 be adjustable in 0.25 dB steps or less. | T | RAAC | N/A | High | |||
| 71 | 3.2.2.1.8.d | The receiver shall71 have a control parameter for adjusting the remote audio output level as defined in Table 3‑16. | D | DMCR | Non-High | N/A | |||
| 12 | 3.2.2.1.8.e | The receiver should12 have a control parameter for adjusting the remote audio output level as defined in Table 3‑18. | D | DMCR | N/A | Non-High | |||
| 72 | 3.2.2.1.8.f | The local audio output level1 of the receiver shall72 be adjustable in the range between −25 dBm (−0/+1 dB) and +10 dBm (−0/+2 dB) in the presence of a standard desired signal. | T | RAAC | Non-High | N/A | |||
| 13 | 3.2.2.1.8.g | The local audio output level1 of the receiver should13 be adjustable in 0.5 dB steps or less. | T | RAAC | N/A | High | |||
| Header | Header | 3.2.2.1.9 | Receiver Audio Level Regulation | Header | Header | Header | Header | Header | |
| 73 | 3.2.2.1.9.a | The remote audio output level of the receiver (adjusted for rated audio output power) shall73 not vary more than ±1.0 dB as a standard desired signal's modulation is increased from 30 to 100 percent. | T | RAAC | Non-High | N/A | |||
| 74 | 3.2.2.1.9.b | The remote audio output level of the receiver (adjusted for rated audio output power) shall74 not drop more than 4.0 dB when the load resistance is reduced from 600 to 120 ohms. | T | RAAC | Non-High | N/A | |||
| Header | Header | 3.2.2.1.10 | Receiver Audio Automatic Level Stabilization | Header | Header | Header | Header | Header | |
| 75 | 3.2.2.1.10.a | The remote audio output level of the receiver (adjusted for standard audio output power) shall75 not vary by more than ±3 dB from a reference audio level for any standard desired signal between −98 dBm and −7 dBm. | T | RALS | Non-High | N/A | |||
| Header | Header | 3.2.2.1.11 | Receiver Audio Mute and Attenuation | Header | Header | Header | Header | Header | |
| 14 | 3.2.2.1.11.a | The receiver should14 have a discrete analog input for muting the receiver remote audio output. | D | DMUT | N/A | Non-High | |||
| 15 | 3.2.2.1.11.b | The receiver mute function should15 have a control parameter to be enabled or disabled as defined in Table 3‑18. | D | DMUT | N/A | Non-High | |||
| 16 | 3.2.2.1.11.c | The receiver should16 have a control parameter for muting the receiver remote audio output as defined in Table 3‑18. | D | DMUT | N/A | Non-High | |||
| 17 | 3.2.2.1.11.d | The receiver muting function attenuation level should17 be selectable with the following values: −15 dB, −20 dB, or no audio (i.e., “no audio” is defined as at least 70 dB down from a reference level of +10 dBm). | D | DMUT | N/A | Non-High | |||
| 18 | 3.2.2.1.11.e | The tolerances for the -15 dB and -20 dB selectable attenuation should18 be ±2 dB. | D | DMUT | N/A | Non-High | |||
| 19 | 3.2.2.1.11.f | The default for the selectable attenuation should19 be no audio. | D | DMUT | N/A | Non-High | |||
| 20 | 3.2.2.1.11.g | The receiver should20 have a control parameter for selecting the muting function attenuation level as defined in Table 3‑18. | D | DMUT | N/A | Non-High | |||
| 21 | 3.2.2.1.11.h | The muting signal should21 have an attack time no greater than 10 ms. | D | DMUT | N/A | Non-High | |||
| 22 | 3.2.2.1.11.i | The receiver audio should22 be muted when either the control parameter or the input from the receiver remote interface indicate audio muting, and unmute when both indicate no mute. | D | DMUT | N/A | Non-High | |||
| 23 | 3.2.2.1.11.j | The receiver should23 provide a confirmation signal via the receiver remote interface for the duration of the mute. | D | DMUT | N/A | Non-High | |||
| Header | Header | 3.2.2.1.12 | Receiver Average Audio Output | Header | Header | Header | Header | Header | |
| 76 | 3.2.2.1.12.a | The remote audio output level of the receiver (adjusted for standard audio output power using a reference desired signal) shall76 be −13 dBm (±2 dB) averaged over 3 seconds in the presence of a −87 dBm signal, AM modulated at 90 percent using a Government furnished speech sample. | T | RAAO | Non-High | N/A | |||
| 77 | 3.2.2.1.12.b | The peak remote audio output level of the receiver (adjusted for standard audio output power using a reference desired signal) shall77 not exceed 0 dBm in the presence of a −87 dBm signal, AM modulated at 90 percent using a Government furnished speech sample. | T | RAAO | Non-High | N/A | |||
| Header | Header | 3.2.2.1.13 | Receiver Audio Distortion | Header | Header | Header | Header | Header | |
| 78 | 3.2.2.1.13.a | The remote audio output shall78 not be distorted by more than 2.0 percent in the presence of a standard desired signal for 30 percent modulation with any RF input level between −67 dBm and −27 dBm, for any input tones within the rated audio band for the relevant channel spacing configuration. | T | RAAD | High | N/A | |||
| 79 | 3.2.2.1.13.b | The remote audio output shall79 not be distorted by more than 5.0 percent for 90 percent modulation with any RF input level between −67 dBm and −27 dBm, for any input tones within the rated audio band for the relevant channel spacing configuration. | T | RAAD | High | N/A | |||
| Header | Header | 3.2.2.1.14 | Receiver Audio Frequency Response | Header | Header | Header | Header | Header | |
| 80 | 3.2.2.1.14.a | The remote audio output level shall80 not vary by more than ±2.0 dB from the level achieved with a reference desired signal (see note) when the reference audio input frequency is varied within the rated audio band. | T | RAFR | Non-High | N/A | |||
| 81 | 3.2.2.1.14.b | The remote audio output level shall81 decrease monotonically from the level achieved with a reference desired signal as the frequency increases between the ranges indicated by the high frequency rejection band in Table 3‑6. | T | RAFR | Non-High | N/A | |||
| 82 | 3.2.2.1.14.c | The remote audio output level shall82 be at least 20.0 dB down from the level achieved with a reference desired signal at frequencies indicated by the ultimate frequency rejection band of Table 3‑6. | T | RAFR | Non-High | N/A | |||
| 83 | 3.2.2.1.14.d | The remote audio output level shall83 decrease monotonically from the level achieved with a reference desired signal as the audio frequency decreases between the ranges indicated in the low frequency rejection band of Table 3‑6 and be down at least 10.0 dB at 100 Hz. | T | RAFR | Non-High | N/A | |||
| Header | Header | 3.2.2.1.15 | Receiver Squelch | Header | Header | Header | Header | Header | |
| Header | Header | 3.2.2.1.15.1 | Squelch | Header | Header | Header | Header | Header | |
| 84 | 3.2.2.1.15.a | The receiver shall84 have a squelch system consisting of both an RF level threshold (herein defined as carrier squelch) and an audio signal-to-noise threshold (herein defined as noise squelch). | T | RASQ | Non-High | N/A | |||
| 85 | 3.2.2.1.15.b | The receiver audio output level shall85 be at least 70 dB down from a reference level of +10 dBm when the receiver is set for squelch-enabled condition and in the presence of an input RF signal level less than the squelch RF threshold level. | T | RASQ | Non-High | N/A | |||
| 86 | 3.2.2.1.15.c | The receiver remote audio level transients shall86 be 20.0 dB below the audio alignment level under any operating condition or configuration with the alignment level ranging between −25 dBm to +10 dBm. | T | RASQ | |||||
| SALT | Non-High | N/A | |||||||
| 87 | 3.2.2.1.15.d | The receiver shall87 have a monitoring parameter for squelch break status as defined in Table 3‑16. | T | RASQ | Non-High | N/A | |||
| 88 | 3.2.2.1.15.e | The receiver squelch function shall88, at a minimum, have a control parameter to select squelch function states: off (1), carrierOnly (2) and snOnly (3), as defined in ED-137C/5 ANNEX A3 MIB (i.e., Status of the Squelch Function) and an additional squelch function state: snAndCarrier, as defined in Table 3-16 (ie., FAA Squelch Function States). | T | RASQ | Non-High | N/A | ED-137C/5 | ||
| 24 | 3.2.2.1.15.f | The receiver squelch function should24 have a control parameter with the FAA-desired default setting for squelch function states as defined in Table 3‑17 (i.e., Status of the Squelch Function). | T | RASQ | N/A | Non-High | |||
| Header | Header | 3.2.2.1.15.2 | Receiver Squelch Adjustment, Sensitivity, and Hysteresis | Header | Header | Header | Header | Header | |
| 89 | 3.2.2.1.15.2.a | When both the Audio Signal-to-Noise (S/N) Squelch function and RF Carrier Squelch function are enabled (i.e., snAndCarrier), then the receiver remote and local audio shall89 be enabled when the received signal exceeds both the RF Carrier Threshold and the Audio S/N Threshold values defined in b) and e) below. | T | RASQ | High | N/A | |||
| 90 | 3.2.2.1.15.2.b | The receiver Audio S/N Squelch Threshold value shall90 be adjustable in 1 dB steps or less in the range of +6 dB to +20 dB in the presence of a DSB-AM signal modulated 30 percent with a 1004 Hz tone. | T | RASQ | High | N/A | |||
| 91 | 3.2.2.1.15.2.c | The receiver Audio (S/N) Squelch Threshold function shall91 have a control parameter to adjust the S/N Threshold value as defined in ED-137C/5 ANNEX A3 MIB. | T | RASQ | Non-High | N/A | ED-137C/5 | ||
| 25 | 3.2.2.1.15.2.d | The receiver Audio (S/N) Squelch Threshold function should25 have a control parameter with the S/N Threshold default setting as defined in Table 3‑17. | T | RASQ | N/A | Non-High | |||
| 92 | 3.2.2.1.15.2.e | The RF Carrier Squelch Threshold level shall92 be adjustable in 1 dB steps or less in the power range from –102 dBm to –70 dBm. | T | RASQ | High | N/A | |||
| 93 | 3.2.2.1.15.2.f | The RF Carrier Squelch closing hysteresis shall93 not be less than 2 dB and not greater than 7 dB with respect to the squelch opening point1. | T | RASQ | High | N/A | |||
| 94 | 3.2.2.1.15.2.g | The RF Carrier Squelch Threshold function shall94 have a control parameter to adjust the RF Carrier Threshold value as defined in ED-137C/5 ANNEX A3 MIB. | T | RASQ | Non-High | N/A | ED-137C/5 | ||
| 26 | 3.2.2.1.15.2.h | The RF Carrier Squelch Threshold function should26 have a control parameter with the RF Carrier Threshold default setting as defined in Table 3‑17. | T | RASQ | N/A | Non-High | |||
| 95 | 3.2.2.1.15.2.i | If the Audio S/N Squelch function is enabled and the RF Carrier Squelch function is disabled (i.e., snOnly), then the receiver remote and local audio shall95 be enabled when the received signal exceeds the audio signal-to-noise ratio threshold value defined in b) of this section. | T | RASQ | Non-High | N/A | |||
| 96 | 3.2.2.1.15.2.j | If the RF Carrier Squelch function is enabled and the Audio S/N Squelch function is disabled (i.e., carrierOnly), then the receiver remote and local audio shall96 be enabled when the received signal exceeds the RF carrier power threshold value defined in e) of this section. | T | RASQ | Non-High | N/A | |||
| Header | Header | 3.2.2.1.15.3 | Receiver Squelch Attack and Release Times | Header | Header | Header | Header | Header | |
| 97 | 3.2.2.1.15.3.a | The squelch attack time shall97 not exceed 30 ms with any standard desired signal with an RF level between −102 dBm and −7 dBm. | T | RASQ | High | N/A | |||
| 27 | 3.2.2.1.15.3.b | The squelch attack time should27 not exceed 20 ms with any standard desired signal with an RF level between −102 dBm and −7 dBm. | T | RASQ | N/A | Non-High | |||
| 98 | 3.2.2.1.15.3.c | The squelch release time shall98 not exceed 35 ms. | T | RASQ | High | N/A | |||
| Header | Header | 3.2.2.1.16 | Collocation | Header | Header | Header | Header | Header | |
| 99 | 3.2.2.1.16.a | The sensitivity requirements defined in section 3.2.2.1.2 shall99 not be degraded by more than a specified value in the presence of a transmitter, configured to be a standard undesired signal except with an AM Depth of 90%, set for rated output power (see section 4.1.2.4), when the transmit-receive frequency separation and path isolation are as defined in Table 3‑7. | T | RACO | High | N/A | |||
| 28 | 3.2.2.1.16.b | The sensitivity requirements defined in section 3.2.2.1.2 for the UHF receiver should28 not be degraded by more than a specified value in the presence of a transmitter, configured to be a standard undesired signal except with an AM Depth of 90%, set for rated output power, when the transmit-receive frequency separation and path isolation are as defined in Case D of Table 3‑7. | T | RACO | N/A | High | |||
| Header | Header | 3.2.2.1.17 | Receiver Adjacent Channel Rejection | Header | Header | Header | Header | Header | |
| 100 | 3.2.2.1.17.a | The sensitivity requirements of section 3.2.2.1.2 shall100 not be degraded by more than 3 dB in the presence of a −63 dBm adjacent channel (centered on ±25 kHz or ±8.33 kHz for VHF or ±25 kHz for UHF) undesired signal, AM modulated 90 percent with a 404 Hz tone. | T | RACR | Non-High | N/A | |||
| Header | Header | 3.2.2.1.18 | Receiver Rejection of Signals Outside the Operating Bands | Header | Header | Header | Header | Header | |
| 101 | 3.2.2.1.18.a | The sensitivity requirements of section 3.2.2.1.2 shall101 not be degraded by more than 2 dB in the presence of an undesired signal as defined in Table 3‑8. | T | RAOU | Non-High | N/A | |||
| Header | Header | 3.2.2.1.19 | Receiver Desired Signal Dynamic Range | Header | Header | Header | Header | Header | |
| 102 | 3.2.2.1.19.a | The receiver shall102 achieve a SINAD of 10 dB or greater in the presence of any standard desired signal modulated 90 percent at any RF level ranging from –102 dBm up to –7 dBm. | T | RADR | Non-High | N/A | |||
| 103 | 3.2.2.1.19.b | The receiver shall103 not be blocked1 in the presence of any standard desired signal modulated 90 percent at any RF level up to +13 dBm. | T | RADR | Non-High | N/A | |||
| 104 | 3.2.2.1.19.c | The receiver shall104 not be damaged due to the presence of any standard desired signal, modulated to a depth of 90 percent at RF levels up to +25 dBm, for a duration of 5 minutes or less. | T | RADR | Non-High | N/A | |||
| Header | Header | 3.2.2.1.20 | Receiver Automatic Gain Control (AGC) Stabilization | Header | Header | Header | Header | Header | |
| 105 | 3.2.2.1.20.a | The sensitivity requirements of section 3.2.2.1.2 shall105 not be degraded by more than a specified level not later than the required attack time after insertion of a specified undesired signal as defined in Table 3‑9. | T | RAAS | High | N/A | |||
| 106 | 3.2.2.1.20.b | The sensitivity requirements of section 3.2.2.1.2 shall106 be met not later than 150 ms after removal of an undesired signal as defined in Table 3‑9. | T | RAAS | High | N/A | |||
| Header | Header | 3.2.2.1.21 | Receiver Internal Noise Level | Header | Header | Header | Header | Header | |
| 107 | 3.2.2.1.21.a | The receiver audio output SINAD shall107 be 25 dB or greater in the presence of a −85 dBm standard desired signal. | T | RASN | Non-High | N/A | |||
| Header | Header | 3.2.2.1.22 | Receive Signal Strength Indicator (RSSI) | Header | Header | Header | Header | Header | |
| 108 | 3.2.2.1.22.a | .The receiver shall108 provide a Receive Signal Strength Indicator (RSSI) to the radio control equipment/voice switch. | T | RAIF | Non-High | N/A | |||
| 109 | 3.2.2.1.22.b | The receiver RSSI shall109 have an accuracy of ±2 dB. | T | RAIF | Non-High | N/A | |||
| 29 | 3.2.2.1.22.c | The RSSI output should29 have a minimum range of 5.0 VDC. | T | RAIF | N/A | Non-High | |||
| Header | Header | 3.2.2.1.23 | Simultaneous Call Transmission (SCT) Detection | Header | Header | Header | Header | Header | |
| 110 | 3.2.2.1.23.a | The receiver shall110 have the capability to detect Simultaneous Call Transmissions (SCTs), also known as Stepped-on or Double Transmissions, when two off-air transmissions on the same frequency channel overlap with each other and are occurring at the same time. | T | RSCT | Non-High | N/A | |||
| 111 | 3.2.2.1.23.b | On detection of a Simultaneous Call Transmission (SCT) the receiver shall111 set the SCT bit to 1 as defined by ED-137C/1. | T | RSCT | Non-High | N/A | ED-137C/1 | ||
| 112 | 3.2.2.1.23.c | A radio receiver shall112 keep the SCT bit set to 1 as defined by ED-137C/1 for as long as the SCT is being detected by the receiver. | T | RSCT | Non-High | N/A | ED-137C/1 | ||
| 113 | 3.2.2.1.23.d | When an SCT is no longer detected by the receiver, it shall113 set the SCT bit to 0 as defined by ED-137C/1. | T | RSCT | Non-High | N/A | ED-137C/1 | ||
| 114 | 3.2.2.1.23.e | The receiver shall114 keep the SCT bit set to 0 as defined by ED-137C/1 or as long as a SCT is not being detected by the receiver. | T | RSCT | Non-High | N/A | ED-137C/1 | ||
| 115 | 3.2.2.1.23.f | When the receiver sends an SCT bit that has been set to 1 as defined by ED-137C/1, the receiver shall115 also send the squelch break bit set to 1. | T | RSCT | Non-High | N/A | ED-137C/1 | ||
| 116 | 3.2.2.1.23.g | If the receiver has multiple RTP sessions established, it shall116 send identical SCT bit information as defined by ED-137C/1 on all RTP sessions. | T | RSCT | Non-High | N/A | ED-137C/1 | ||
| 30 | 3.2.2.1.23.h | The receiver should30 have SCT detection times of 1 second or less if signal differences are between 10dB to 22dB for frequency offsets between 15 Hz and 3 kHz. | T | RSCT | N/A | High | |||
| 31 | 3.2.2.1.23.i | The receiver should31 have SCT detection times of 0.5 second or less if signal differences are less than 10 dB for frequency offsets between 15 Hz and 3 kHz. | T | RSCT | N/A | High | |||
| Header | Header | 3.2.2.2 | Transmitter Requirements | ||||||
| Header | Header | Header | Header | Header | |||||
| Header | Header | 3.2.2.2.1 | Transmitter Audio Interfaces | Header | Header | Header | Header | Header | |
| 117 | 3.2.2.2.1.a | The transmitter shall117 provide a remote analog audio input at the transmitter remote interface connector (see section 3.3.1.9). | T | TALK | Non-High | N/A | |||
| 118 | 3.2.2.2.1.b | The remote audio input shall118 have a balanced 600 ohm (±10 percent) impedance. | T | TALK | Non-High | N/A | |||
| 119 | 3.2.2.2.1.c | The remote audio input shall119 accept signals at input levels and frequencies specified in Table 3‑10. | T | TALK | Non-High | N/A | |||
| 120 | 3.2.2.2.1.d | The transmission of the remote audio input shall120 be controlled via a keying signal originating from the control site. | T | TALK | Non-High | N/A | |||
| 121 | 3.2.2.2.1.e | The transmitter shall121 provide a local analog audio input to be used with a microphone (see section 3.2.2.2.12.2). | T | TALK | Non-High | N/A | |||
| 122 | 3.2.2.2.1.f | The transmission of the local analog audio input shall122 be controlled via a push-to-talk microphone. | T | TALK | Non-High | N/A | |||
| 123 | 3.2.2.2.1.g | The transmitter shall123 accept VoIP audio input via the remote IP interface (see section 3.2.4.3). | D | DIPR | Non-High | N/A | |||
| 124 | 3.2.2.2.1.h | Only one transmitter audio input (local, remote or VoIP) shall124 be active at one time. | T | TALK | Non-High | N/A | |||
| 125 | 3.2.2.2.1.i | The transmitter internal audio delay shall125 not exceed 10 ms as measured between the analog audio inputs or the remote IP interface via VoIP and the envelope of the modulated RF signal at the antenna output port.1,2 | A and T | TAKY | |||||
| AIAD | Non-High | N/A | |||||||
| Header | Header | 3.2.2.2.2 | Transmitter Time-Out | Header | Header | Header | Header | Header | |
| 126 | 3.2.2.2.2.a | The transmitter shall126 contain a time-out function for protection against, and the elimination of, extended periods of continuous keying. | T | TXTO | Non-High | N/A | |||
| 127 | 3.2.2.2.2.b | The transmitter time-out function shall127 have an adjustable range from 5 seconds up to 300 seconds in steps sizes less than or equal to 5 seconds (limiting the maximum continuous keying of the transmitter to this time period). | T | TXTO | Non-High | N/A | |||
| 128 | 3.2.2.2.2.c | The transmitter time-out control function shall128 have a control parameter for being enabled and disabled.1 | T | TXTO | Non-High | N/A | |||
| 129 | 3.2.2.2.2.d | The transmitter shall129 have a control parameter for setting the duration of the time-out function as defined in Table 3‑16, if should34 is not implemented. | D | DMCR | Non-High | N/A | |||
| 130 | 3.2.2.2.2.e | The transmitter shall130 cease radiating upon time-out until the input key signal is removed and re-asserted. | T | TXTO | Non-High | N/A | |||
| 32 | 3.2.2.2.2.f | A transmitter operating in VoIP mode, when configured for PTT lockout mode, should32 have a time-out function. | D | DIPR | N/A | Non-High | |||
| 33 | 3.2.2.2.2.g | A transmitter operating in VoIP mode, when configured for PTT summation mode, should33 have a time-out function. | D | DIPR | N/A | Non-High | |||
| 34 | 3.2.2.2.2.h | The transmitter should34 have a control parameter for setting the duration of the time-out control function as defined in Table 3‑18. | D | DMCR | N/A | Non-High | |||
| 35 | 3.2.2.2.2.i | A transmitter operating in VoIP mode, should35 have a control parameter for setting the duration of the time-out function per SIP session as defined in Table 3‑18. | D | DMCR | N/A | Non-High | |||
| Header | Header | 3.2.2.2.3 | Transmitter Distortion | Header | Header | Header | Header | Header | |
| 131 | 3.2.2.2.3.a | The transmitter modulation distortion shall131 not exceed 5 percent root mean square (RMS) with the transmitter modulated at 90 percent with any audio signal as specified for 25 kHz channel spacing in Table 3‑10. | T | TAHD | High | N/A | |||
| 132 | 3.2.2.2.3.b | The VHF transmitter modulation distortion shall132 not exceed 5 percent RMS with the transmitter modulated at 90 percent with any audio signal as specified for 8.33 kHz channel spacing in Table 3‑10. | T | TAHD | High | N/A | |||
| Header | Header | 3.2.2.2.4 | Transmitter AM Modulation Level | Header | Header | Header | Header | Header | |
| 133 | 3.2.2.2.4.a | The transmitter modulation level function shall133 have an adjustable range from 5 percent up to 95 percent in steps sizes less than or equal to 1 percent. | T | TAML | Non-High | N/A | |||
| 134 | 3.2.2.2.4.b | The transmitter shall134 have a control parameter for transmitter modulation level as defined in Table 3‑16. | D | DMCR | Non-High | N/A | |||
| 36 | 3.2.2.2.4.c | The transmitter modulation level function should36 have an adjustable range from 0 percent up to 100 percent in steps sizes less than or equal to 1 percent. | T | TAML | N/A | Non-High | |||
| 37 | 3.2.2.2.4.d | The transmitter should37 have a control parameter for transmitter modulation level as defined in Table 3‑18. | D | DMCR | N/A | Non-High | |||
| 135 | 3.2.2.2.4.e | The transmitter shall135 maintain the modulation level at ±10 percent of the transmitter modulation setting for an audio signal that varies over the audio input level and frequency ranges specified in Table 3‑10. | T | TAML | Non-High | N/A | |||
| 136 | 3.2.2.2.4.f | The transmitter shall136 prevent modulation levels that exceed 100 percent for an audio signal that varies over the audio input level and frequency ranges specified in Table 3‑10. | T | TAML | High | N/A | |||
| 38 | 3.2.2.2.4.g | The transmitter should38 prevent modulation levels that exceed 100 percent for a government furnished speech sample with input audio signals that varies over the audio input level and frequency ranges specified in Table 3‑10. | T | TAML | N/A | High | |||
| Header | Header | 3.2.2.2.5 | Transmitter RF Output | Header | Header | Header | Header | Header | |
| 137 | 3.2.2.2.5.a | The transmitter shall137 not suffer any damage nor suffer subsequent performance degradation, and meet all requirements after transmitting into a complex impedance of any magnitude and phase, including open and short circuit terminations. | T | TARF | Non-High | N/A | |||
| 138 | 3.2.2.2.5.b | The transmitter shall138 operate at a VSWR of 2.0:1 or less, at all phase angles, with no damage, with no part exceeding dissipation limits, with no performance degradation, and maintain the power level setting within ±1 dB of the nominal setting as measured into a normal load, see section 4.1.4. | T | TARF | High | N/A | |||
| 139 | 3.2.2.2.5.c | The transmitter shall139 deliver not less than 50 percent of the set Continuous Wave (CW) RF signal power, into any impedance having a maximum VSWR of 3.0:1 at any phase angle2. | T | TARF | High | N/A | |||
| 140 | 3.2.2.2.5.d | The transmitter shall140 have a monitoring parameter for measured VSWR value as defined in ED-137C/5 ANNEX A3 MIB. | D | DMCR | Non-High | N/A | ED-137C/5 | ||
| 39 | 3.2.2.2.5.e | The transmitter should39 have a monitoring parameter for measured VSWR value with the applicable range as defined in Table 3‑17. | D | DMCR | N/A | Non-High | |||
| 141 | 3.2.2.2.5.f | The transmitter shall141 have a control parameter for configuring a VSWR Level Low Threshold as defined in ED-137C/5 ANNEX A3 MIB. | D | DMCR | Non-High | N/A | ED-137C/5 | ||
| 142 | 3.2.2.2.5.g | The transmitter shall142 have a control parameter for configuring a VSWR Level High Threshold as defined in ED-137C/5 ANNEX A3 MIB. | D | DMCR | Non-High | N/A | ED-137C/5 | ||
| 40 | 3.2.2.2.5.h | The transmitter should40 have a control parameter with the VSWR Level Low Threshold applicable range and default setting as defined in Table 3‑17. | D | DMCR | N/A | Non-High | |||
| 41 | 3.2.2.2.5.i | The transmitter should41 have a control parameter with the VSWR Level High Threshold applicable range and default setting as defined in Table 3‑17. | D | DMCR | N/A | Non-High | |||
| 143 | 3.2.2.2.5.j | The transmitter shall143 be adjustable in 0.25 dB steps or less over the full RF output range specified in Table 3‑112. | T | TARF | Non-High | N/A | |||
| 144 | 3.2.2.2.5.k | The transmitter shall144 deliver the RF output level as defined in Cases A and B of Table 3‑11 below into a normal load when transmitting a CW signal across the relevant operating frequency range of the radio2,3. | T | TARF | High | N/A | |||
| 42 | 3.2.2.2.5.l | The UHF high power transmitter should42 deliver the RF output level as specified in Case C of Table 3‑11 into a normal load when transmitting a CW signal across the relevant operating frequency range of the radio1,2,3. | T | TARF | N/A | High | |||
| 145 | 3.2.2.2.5.m | The transmitter, implemented as either individual low power and high power configurations or as an extended power transmitter configuration,2,3 shall145 have a control parameter for adjusting the RF Output Level as defined in the ED-137C/5 ANNEX A3 MIB. | D | DMCR | Non-High | N/A | ED-137C/5 | ||
| 43 | 3.2.2.2.5.n | The transmitter, implemented as either individual low power and high power configurations or as an extended power transmitter configuration,2,3 should43 have a control parameter with the RF Output Level default setting as defined in Table 3‑17. | D | DMCR | N/A | Non-High | |||
| Header | Header | 3.2.2.2.5.1 | Transmitter Leakage | Header | Header | Header | Header | Header | |
| 146 | 3.2.2.2.5.1.a | The transmitter shall146 not produce more than −97 dBm in-band leakage measured at the radio RF OUT (see Table 3‑21, Radio Functions and Labeling) connector when unkeyed. | T | TXTL | Non-High | N/A | |||
| Header | Header | 3.2.2.2.6 | Transmitter Back Intermodulation | Header | Header | Header | Header | Header | |
| 147 | 3.2.2.2.6.a | The amplitude of each radio frequency back intermodulation product shall147 be no greater than a specified level when the transmitter (unmodulated and set for rated output power) is keyed and an undesired signal, with frequency separation and signal level as defined in Table 3‑12 below, is fed into the transmitter output connector. | T | TXIM | High | N/A | |||
| Header | Header | 3.2.2.2.7 | Transmitter Duty Cycle | Header | Header | Header | Header | Header | |
| 148 | 3.2.2.2.7.a | The transmitter shall148 have the capability to operate at a 100 percent duty cycle at its maximum rated output power. | A | AXDC | High | N/A | |||
| Header | Header | 3.2.2.2.8 | Transmitter Spurious Emissions | Header | Header | Header | Header | Header | |
| 149 | 3.2.2.2.8.a | Spurious emission levels within the transmitter’s operating frequency band shall149 meet the noise floor limits imposed by the transmitter mask of section 3.2.2.2.10 when the transmitter, set for rated power, is keyed without modulation into a normal load. | T | TASO | Non-High | N/A | |||
| 150 | 3.2.2.2.8.b | Spurious emissions that fall outside the transmitter’s operating frequency band shall150 be less than –90 dBc when the transmitter, set for rated power, is keyed without modulation into a normal load. | T | TASO | Non-High | N/A | |||
| 151 | 3.2.2.2.8.c | Spurious emissions levels of the UHF transmitter within the VHF band shall151 meet the ultimate noise floor limits imposed by the VHF transmitter mask of section 3.2.2.2.10 when the UHF transmitter, set for rated power, is keyed without modulation into a normal load. | T | TASO | Non-High | N/A | |||
| Header | Header | 3.2.2.2.9 | Transmitter Harmonic Output | Header | Header | Header | Header | Header | |
| 152 | 3.2.2.2.9.a | The level of each carrier harmonic shall152 be less than −80.0 dBc (−65 dBm within the L5 (1164 to 1215 MHz) and L1 (1559 to 1610 MHz) band) when the transmitter, set for rated power, is keyed without modulation into a normal load. | T | TXHO | High | N/A | |||
| Header | Header | 3.2.2.2.10 | Transmitter Adjacent Channel Power | Header | Header | Header | Header | Header | |
| 153 | 3.2.2.2.10.a | The transmitter’s first adjacent channel 25 kHz band-power, shall153 not exceed −40 dBc when it is modulated with a standard test signal and configured for 25 kHz channel spacing and rated output power. | T | TAAP | High | N/A | |||
| 154 | 3.2.2.2.10.b | The VHF transmitter’s first adjacent channel 8.33 kHz band-power shall154 not exceed −30 dBc when it is modulated with a standard test signal and configured for 8.33 kHz channel spacing and rated output power. | T | TAAP | High | N/A | |||
| 155 | 3.2.2.2.10.c | The transmitter’s adjacent channel 25 kHz band-power shall155 not exceed the limits as defined in Table 3‑13 when it is modulated with a standard test signal and configured for 25 kHz channel spacing and configured for rated output power. | T | TAAP | High | N/A | |||
| 156 | 3.2.2.2.10.d | The UHF transmitter’s adjacent channel 25 kHz band-power shall156 not exceed −130 dBc within the VHF band, as specified in this PD, when it is modulated with a standard test signal and configured for rated output power. | T | TAAPV | High | N/A | |||
| Header | Header | 3.2.2.2.11 | Transmitter Carrier-Induced Noise (Residual AM) | Header | Header | Header | Header | Header | |
| 157 | 3.2.2.2.11.a | The carrier-induced audio noise level due to the radio transmitting a CW signal shall157 be at least 40.0 dB below the detected audio output when the carrier is modulated with a standard test signal. | T | TACN | Non-High | N/A | |||
| Header | Header | 3.2.2.2.12 | Transmitter Keying | Header | Header | Header | Header | Header | |
| 158 | 3.2.2.2.12.a | The transmitter shall158 continue to transmit while a key signal is present except when the transmitter time-out setting has been exceeded. | T | TALK | Non-High | N/A | |||
| 44 | 3.2.2.2.12.b | The transmitter should44 continue to transmit while a VoIP key signal is present except when the transmitter time-out setting has been exceeded and no other session is keying the radio. | D | DIPR | N/A | Non-High | |||
| 159 | 3.2.2.2.12.c | The transmitter shall159 accept both local and remote key signals. | T | TALK | Non-High | N/A | |||
| 160 | 3.2.2.2.12.d | The transmitter shall160 be keyed using a MDTS Test PTT with CW executed through the MDT interface . | T | TALK | Non-High | N/A | |||
| 161 | 3.2.2.2.12.e | The transmitter shall161 ensure remote analog keying signals take priority over local key signals1 and a MDTS Test PTT with CW. | T | TALK | Non-High | N/A | |||
| 162 | 3.2.2.2.12.f | The transmitter shall162 ensure remote non-test VoIP keying signals2 take priority over local key signals and a MDTS Test PTT with CW. | D | DIPR | Non-High | N/A | |||
| 163 | 3.2.2.2.12.g | The transmitter shall163 have a control parameter for the MDTS Test PTT with CW as defined in Table 3‑16. | T | TALK | Non-High | N/A | |||
| 164 | 3.2.2.2.12.h | The transmitter shall164 have a monitoring parameter for PTT Status as defined in Table 3‑16. | T | TALK | Non-High | N/A | |||
| Header | Header | 3.2.2.2.12.1 | Transmit Key Remote Interface Signals | Header | Header | Header | Header | Header | |
| 165 | 3.2.2.2.12.1 a | The remote key signals for current or voltage control shall165 be on separate pins of the transmitter connector (see Table 3‑20). | T | TAKY | Non-High | N/A | |||
| 166 | 3.2.2.2.12.1 b | Both voltage and current key signal interfaces shall166 incorporate debounce circuitry that minimizes the generation of false key events. | A | ATKT | Non-High | N/A | |||
| 167 | 3.2.2.2.12.1 c | The transmitter shall167 key when a remote key voltage between +8VDC (or the positive adjustable keying threshold, if should45 is implemented) and +48 VDC, or between -8VDC (or the negative adjustable keying threshold, if should45 is implemented) and -48VDC, is applied. | T | TAKY | High | N/A | |||
| 168 | 3.2.2.2.12.1 d | The voltage key signal sink current shall168 not exceed 0.5 mA. | T | TAKY | Non-High | N/A | |||
| 169 | 3.2.2.2.12.1 e | The transmitter shall169 key when a signal ground is re-routed back (looped) to the transmitter's ground (current) keying input through an impedance of less than 100 ohms. | T | TAKY | Non-High | N/A | |||
| 170 | 3.2.2.2.12.1 f | The ground key signal source current shall170 not exceed 10 mA. | T | TAKY | Non-High | N/A | |||
| 171 | 3.2.2.2.12.1 g | The ground key signal shall171 not generate a pull-up voltage exceeding 40 volts. | T | TAKY | Non-High | N/A | |||
| 172 | 3.2.2.2.12.1 h | A Transmit Confirmation signal shall172 be provided at the transmitter remote connector for as long as the transmitter is keyed. | T | TAKY | Non-High | N/A |
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