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Specification 11 JUNE 2018 Brand Name or Equal Stand-alone Software Defined Radios: Ettus E313 (National Instruments USRP E313), or equal Deliverables:
Forty-four (44) stand-alone software defined radios (SDR), Ettus E313 (NI USRP E313) or equal. Each delivered SDR must meet the specifications included in this document.
Deliverable Schedule:
Delivery shall begin with two (2) first article units within 2 weeks of receipt of order. Acceptance testing will be completed within one month after receipt of first article units. Two weeks after successful acceptance testing of first articles, and notification to bidder, a minimum of eighteen (18) units will be delivered, and proceed at a minimum rate of eight (8) units every two weeks thereafter until the order is fulfilled in total.
Inspection and Acceptance:
End user will inspect and test the first article units upon delivery. The units will be verified to perform according to specifications in this document before acceptance of, or payment for, additional units.
The Ettus E313 has been verified to perform to this specification. If selected, the E313 will not be required to deliver first articles, instead delivering twenty (20) units with the first shipment.
Essential minimum technical specifications for each SDR:
Radio Frequency (RF) Characteristics
| Channels |
| Minimum of two channels, each channel capable of full duplex transmit and receive operation. |
| Center Frequency |
| Capable of tuning between 200 MHz and 6.0 GHz |
Tuning resolution: 1 kHz or smaller increments
| Frequency Accuracy |
| ±2 parts-per-million (ppm) |
| Sample Rate |
| Capable of tuning between 2 MS/s and 10 MS/s in 0.5 MS/s increments |
| Sample Mode |
| Quadrature sampling (IQ data stream) |
| IF Bandwidth |
| Equal to sampling rate |
| ADC Resolution |
| 12 bits minimum |
| Channel Output Signal Power |
| Adjustable between -5 dBm and +10 dBm |
Tuning Resolution: 0.5 dB or smaller increments
| RF Output Filter |
| Internal filtering, limiting transmit harmonics to 50 dBc. |
| RF Input Sensitivity |
| Each channel capable of detecting signals -120 dBm or less, when the sample rate is set to 2 MS/s |
| RF Input Power |
| Sustain a maximum input power of 0 dBm without damage |
| RF Input Filter |
| Internal filtering to limit receiver saturation by signals outside of the IF bandwidth. Less than 30% signal deviation due external interference outside four times the IF bandwidth. |
| Receive Noise figure |
| Less than 8 dB |
| Gain |
| Manually (software) tunable receiver and transmitter gain |
| Gain Stability |
| Within ±1 % over any 1 hour period |
Other Interface Characteristics
| Ethernet Interface |
| 1000 BASE-T Copper or 1000 BASE-X Fiber |
| USB Host Interface |
| Required |
| Power |
| Input voltage: 120 VAC @ 60 Hz or DC between 5 VDC and 15 VDC. |
Input power: 20 W maximum.
Other Requirements
| Reliability |
| Mean time between failure (MTBF) greater than 100,000 hours using MIL-HDBK-217F. |
Analysis shall be provided with first article.
| Lightning Protection |
| Lightning and surge protection on power and 1000 BASE-T Copper ports, Minimum of 1500 V isolation. |
| Intellectual Property |
| Schematics and Bill of Materials provided at no additional cost |
| Digital Storage |
| Minimum of 2 gigabytes of storage available for use after the operating system and required libraries and drivers are installed. |
Software
| Stand Alone |
| Capable of stand-alone operation without the need for an external “host” computer. |
| Operating System |
| Configurable Linux operating system (OS) required. Linux OS capable of running custom software written in Python and C++ to interface with Ethernet and USB Host interfaces. Toolchain for customizing OS image available at no additional cost. |
| GNU Radio |
| Capable of running GNU Radio |
| UHD |
| Support Universal Software Radio Peripheral (USRP) Hardware Driver (UHD) Application Programming Interface (API). |
| Programmable |
| Capable of changing center frequency, sample rate, and gain via software using C++, Python, and GNU Radio. Capable of processing multiple IQ data streams simultaneously via software using C++, Python, and GNU Radio. Programmable via open-source (non-proprietary) software tools, to include the GNU Compiler Collection (GCC). |
Physical Characteristics
| Size |
| 14.0”x10.0”x5.0” (L x W x H) maximum, including power supply. |
| Weight |
| 5.0 lbs maximum, not including power supply. |
5.5 lbs maximum, including power supply.
| Environment |
| IP-67 rated enclosure |
| Operating Temperature |
| -30 °C to +50 °C |
| Operating Humidity |
| 10 % to 90 % |
| Operating Altitude |
| Up to 5000 ft |
| Channel RF Connectors |
| N-Type female |