Purchase_Description.pdf

17S-302A-OE

26 Jul 2017

Rev 0

Attachment 1 1

AFMETCAL

PURCHASE DESCRIPTION

FOR

PORTABLE AUTOMATIC TEST EQUIPMENT CALIBRATOR

1. Purpose

This purchase description contains descriptions of the equipment contained in the Portable Automatic Test

Equipment Calibrator (PATEC) standards set used to calibrate automatic test equipment.

2. Equipment List and Potential Suppliers

The following list shows the quantities of each item required per PATEC and identifies potential suppliers of each item.

Item Per PATEC Potential Sources of Supply Oscilloscope Calibrator 1 Fluke

Universal Counter / Rubidium 1 Spectracom

Angle Position Indicator 1 Clarke-Hess, North Atlantic

Power Meter Range Calibrator 1 Keysight

RF Microwave Synthesizer 1 Anritsu

Meter Calibrator 1 Fluke

TMA Controller 1 Dell, Gateway, Toshiba

Microwave Power Splitter 1 Keysight, Narda, Weinschel

Coaxial Step Attenuator 1 Keysight, Weinschel

10 dB Fixed Attenuator 1 Keysight, Narda, Weinschel

Operating Cases 2 ECS

TMA Case 1 Pelican

IEEE-488 cables 1 meter 2 L-Com, Keysight

IEEE-488 cables 2 meter 2 L-Com, Keysight

IEEE-488 cables 4 meter 2 L-Com, Keysight

GPIB-USB Interface Adapter 2 National Instruments

IEEE-488 Reversing Adapter 2 L-com, Keysight

BNC cables 36 inch 2 ITT Pomona

BNC cables 72 inch 2 ITT Pomona

Attachment 1 2

3. Limitation of Specifications and Salient Characteristics

Any features or additional capabilities of the brand name products listed in this purchase description which are not essential to meet the characteristics in this purchase description are not necessary and need not be provided.

The products listed in this purchase description must meet or exceed the following 1 year measurement uncertainties with a 95% confidence level and when operated within the operation temperature of 15 to 35 ºC. The uncertainties supplied with the documentation shall be calculated using a 95% confidence level (k = 2).

4. Meter Calibrator

4.1 Scope

This section of the purchase description describes a very high accuracy DC, AC, and Resistance calibration system.

4.2 General Description

The instrument described herein shall be Brand Name or equal to the following:

Fluke 5730A

Option: 5730A/03 Wideband

Accessories: Fluke 5700A-2083 Rack mount 19 inch, Qty 2

4.3 Electrical Performance Requirements

4.3.1 DC Voltage

4.3.1.1 Range, Resolution, Accuracy

The instrument resolution on each range shall be equal or better than the following specifications. The output voltage, within ±5 degrees C of the calibration temperature, shall be less than or equal to the following specifications:

Range Resolution Accuracy ±(ppm output + µV)

220 mV 10 nV 7.5 + 0.4

2.2 V 100 nV 5 + 0.7

11 V 1µV 3.5 + 2.5

22 V 1 µV 3.5 + 4

220 V 10 µV 5 + 40

1100 V 100 µV 6.5 + 400

4.3.2 AC Voltage

4.3.2.1 Range and Resolution

Range Resolution

2.2 mV 1 nV

22 mV 10 nV

220 mV 100 nV

Attachment 1 3

2.2 V 1 µV

22 V 10 µV

220 V 100 µV

1100 V 1 mV

4.3.2.2 Voltage Accuracy

The output voltage accuracy of the instrument, including but not limited to the effects of temperature, load regulation, noise, distortion, and line regulation, shall be equal to or better than the following specifications when operated within ±5 degrees C of the calibration temperature. The Voltage Ranges refer to the ranges of the instrument.

Range Frequency Accuracy: (ppm of output + V/mV) ppm V

2.2 and 10 to 20 Hz 240 4

22 mV 20 to 40 Hz 90 4

40 Hz to 20 kHz 80 4

20 to 50 kHz 200 4

50 to 100 kHz 500 5

100 to 300 kHz 1050 10

300 to 500 kHz 1400 20

500 kHz to 1 MHz 2700 20

220 mV 10 to 20 Hz 240 12

20 to 40 Hz 90 7

40 Hz to 20 kHz 57 7

20 to 50 kHz 120 7

50 to 100 kHz 310 17

100 to 300 kHz 655 20

300 to 500 kHz 1400 25

500 kHz to 1 MHz 2700 45

2.2 V 10 to 20 Hz 240 40

20 to 40 Hz 90 15

40 Hz to 20 kHz 42 8

20 to 50 kHz 67 10

50 to 100 kHz 85 30

100 to 300 kHz 336 80

300 to 500 kHz 1000 200

500 kHz to 1 MHz 1700 300

22 V 10 to 20 Hz 240 400

20 to 40 Hz 90 150

40 Hz to 20 kHz 42 50

20 to 50 kHz 67 100

22V (cont.) 50 to 100 kHz 83 200

100 to 300 kHz 254 600

300 to 500 kHz 1000 2000

500 kHz to 1 MHz 1500 3200

Range Frequency ppm mV

Attachment 1 4

220 V 10 to 20 Hz 240 4

20 to 40 Hz 90 1.5

40 Hz to 20 kHz 52 0.6

20 to 50 kHz 80 1

50 to 100 kHz 150 2.5

100 to 300 kHz 900 16

300 to 500 kHz 4400 40

500 kHz to 1 MHz 8000 80

1100 V (250 V maximum output @

15 to 50 Hz)

15 to 50 Hz 300 16

50 Hz to 1 kHz 70 3.5

4.3.2.3 Frequency Range and Accuracy

Range: 10 Hz to 1.1999 MHz

Wideband, 10 Hz to 30 MHz

Accuracy: 0.01%

4.3.3 DC Current

4.3.3.1 Range, Resolution, Accuracy

Range Resolution Accuracy (ppm of output + nA/A) ppm nA

220 A 0.1 nA 40 6

2.2 mA 1 nA 35 7

22 mA 10 nA 35 40

220 mA 0.1 µA 45 0.7A

2.2 A 1 µA 80 12A

11 10 µA 360 480 µA

4.3.4 AC Current

4.3.4.1 Range and Resolution

Range Resolution

220 A 1 nA

2.2 mA 10 nA

22 mA 100 nA

220 mA 1 µA

2.2 A 10 µA

11A 100µA

4.3.4.2 Accuracy

Attachment 1 5

The output current accuracy of the instrument, including but not limited to the effects of temperature, load regulation, noise, distortion, and line regulation, shall be equal to or better than the following specifications when operated within ±5 degrees C of the calibration temperature. The Current Ranges refer to the ranges of the instrument and NOT the range of currents over which the specification applies:

Range Frequency Accuracy: (ppm of output + nA/A) ppm nA

220 A 10 to 20 Hz 250 16

20 to 40 Hz 160 10

40 Hz to 1 kHz 103 8

1 to 5 kHz 280 12

5 to 10 kHz 1100 65

2.2 mA 10 to 20 Hz 250 40

20 to 40 Hz 160 35

40 Hz to 1 kHz 103 35

1 to 5 kHz 200 110

5 to 10 kHz 1100 650

22 mA 10 to 20 Hz 250 400

20 to 40 Hz 160 350

40 Hz to 1 kHz 103 350

1 to 5 kHz 200 550

5 to 10 kHz 1100 5000 ppm A

220 mA 10 to 20 Hz 250 4

20 to 40 Hz 160 3.5

40 Hz to 1 kHz 103 2.5

1 to 5 kHz 200 3.5

5 to 10 kHz 1100 10

2.2 A 20 Hz to 1 kHz 244 35

1 to 5 kHz 450 80

5 to 10 kHz 7000 160

4.3.5 Wideband Capability

This output port shall produce AC voltages over frequencies from 10 Hz to 30 Mhz. The output of the instrument, when in the wideband mode, shall be programmable from the front panel or from the I/O interface in volts or dBm

(0dBm = 1 mW into 50 ohms).

4.3.5.1 Range and Resolution

Range: 3 mV to at least 3.5 volts RMS

Resolution: 5 decades of resolution on all ranges

4.3.5.2 Accuracy

Attachment 1 6

The output voltage or dBm indications at 1 KHz into a precision 50 ohm load shall be accurate to within the following limits:

4.3.5.2.1 Wideband Amplitude

Range: 0 to 3.5 V, 30 Hz to 500 kHz

Range Accuracy: (% of output +

V)

1.1 mV 0.8 2 3 mV 0.7 3

11 mV 0.7 8 33 mV 0.6 16 110 mV 0.6 40

330 mV 0.5 100

1.1 V 0.5 400

3.5 V 0.4 500

4.3.5.2.2 Wideband Frequency Response

Range: 10 Hz to 30 MHz

Accuracy: (% of output + V) Amplitude Flatness, 1 kHz Reference

Frequency Voltage Range

(1.1 mV) (3 mV) (>3 mV)

Hz % V % V % V

10 to 30 0.3 0.3 0.3

30 to 120 k 0.1 0.1 0.1

120 k to 2 M 0.2 3 0.1 3 0.1 3

2 M to 12 M 0.4 3 0.3 3 0.2 3

12 M to 20 M 0.6 3 0.5 3 0.4 3

20 M to 30 M 1.5 15 1.5 3 1 3

4.3.6 Resistance

4.3.6.1 Range and Accuracy

Range: Accuracy: Two-Wire Adder (m)

() (ppm) Im = Current produced by

Ohmmeter

0 40 0.1 Lead Res 1 Lead Res

1 95 2 + 4 V/Im 4 + 4 V/Im

1.9 95 2 + 4 V/Im 4 + 4 V/Im

10 23 2 + 4 V/Im 4 + 4 V/Im

19 23 2 + 4 V/Im 4 + 4 V/Im

100 10 2 + 4 V/Im 4 + 4 V/Im

Attachment 1 7

190 10 2 + 4 V/Im 4 + 4 V/Im

1 k 6.5 2 + 4 V/Im 4 + 4 V/Im

1.9 k 6.5 10 15

10 k 6.5 10 15

19 k 6.5 50 60

100 k 8.5 100 120

190 k 8.5

1 M 13

1.9 M 18

10 M 40

19 M 47

100 M 100

4.3.7 Artifact Calibration

Calibration of the meter calibrator to full specified absolute uncertainty on all functions shall require only the following standards:

Standard

(nominal value)

Absolute Uncertainty

±(ppm)

1 ohm resistor 10.0

10 Kohm resistor 4.0

10 Volt 1.5

4.4 General Requirements

4.4.1 Interface Capability

The instrument shall be equipped with an IEEE-488.2-1992 interface. The interface shall incorporate all of the

IEEE-488.2 Common Commands and Queries. Any function that can be entered via the front panel shall be controllable via the interface, with the exception of power on/off. In addition, any or all of the functions which can be displayed, can be queried and sent over the interface. The GPIB Address shall be selectable from a system menu.

4.4.2 Dimensions

The instrument's dimensions shall not exceed:

Length: 22.75 inches; Height: 7 inches maximum; Width: Instrument plus rack mounting shall fit within a standard

EIA 19 inch rack.

4.4.3 Physical Mounting

The item shall be furnished with accessories necessary for mounting in a standard 19 inch Electronic Industries

Association (EIA) rack.

5. Power Meter Range Calibrator

5.1 Scope

Attachment 1 8

This section of the purchase description describes a microwave power meter range calibrator standard.

5.2 General Description

Keysight Range Calibrator Model 11683A

5.3 Electrical Performance Requirements

5.3.1 Range Calibrator Functions

The range calibrator functions outputs shall correspond to power meter readings of 3, 10, 30, 100, 300 microwatts and 1, 3, 10, 30, 100 milliwatts.

5.3.2 Calibration Uncertainty

The calibration uncertainty shall not exceed +/-0.25% on all ranges.

5.4 General Requirements

5.4.1 Dimensions

The instrument's dimensions shall not exceed:

Height 4.0 Inches

Width 5.7 Inches

Depth 9.0 Inches

6. RF Microwave Synthesizer

6.1 Scope

This section of the purchase description describes a high accuracy microwave frequency synthesizer.

6.2 General Description

Anritsu MG3693C Microwave Synthesizer with options:

MG3690C/2B 110 dB step attenuator

MG3690C/1B Rack mounting without chassis slides to install unit in a console with mounting shelves

MG3690C/16 High stability, ovenized 10 MHz time base

MG3690C/3 Ultra Low Phase Noise, main band

MG3690C/4 10 MHz to 2.2 GHz RF coverage, Ultra Low Phase Noise Version

Attachment 1 9 and with accessories:

34RKNF50 Ruggedized K(m) to Precision Type N(f) adapter. Qty 2

6.3 Electrical Performance Requirements

6.3.1 Frequency Range and Resolution

Frequency range of 10 MHz to 30 GHz with a minimum resolution of 0.1 Hz

6.3.2 Output Power

The synthesizer shall provide the following minimum output power capability:

+10 to -100 dBm from 10 MHz to 20 GHz

+ 3 to -100 dBm from 20 GHz to 30 GHz

6.3.3 Power Level Switching Time

The power level switching time shall not exceed 30ms with a change in the step attenuator.

6.3.4 Output Level Flatness

Variation of the output levels of the synthesizer shall not exceed +/-1.0 dB for 20 MHz to 30 GHz and +/-1.5 dB below 20MHz.

6.3.5 Output Level Resolution

The output power resolution shall have a minimum resolution of 0.01 dB.

6.3.6 Output On/Off Key

This switch shall enable the operator or remote program to toggle the RF output between an Off and On state.

During the Off state, the RF oscillator is turned off. The state shall be indicated by two LEDs located below the

Output On/Off key on the front panel.

6.3.7 Modulation

No modulation capability is required for the synthesizer.

6.3.8 Time Base

The synthesizer shall have an internal 10 MHz time base with an aging rate ≤5 X 10-10 parts per day. Time base variation shall not exceed 2 X 10-10 parts per degree C from 0 to 55 degrees C. The synthesizer shall also be capable of utilizing an external time base. The synthesizer shall have a rear panel BNC 50 Ohm connector capable of accepting a 10 MHz, 0 to + 20 dBm external time base.

6.3.9 Time Base Output

Attachment 1 10

The synthesizer shall have a rear panel type BNC 10 MHz time base output capable of providing at least 1 Vpp, AC coupled, into 50 Ohms.

6.3.10 Harmonics

The harmonic content of the output of the synthesizer shall not exceed the following specifications:

< -30 dBc for 10 MHz to 2 GHz

< -60 dBc for 2 GHz to 20 GHz

< -40 dBc for 20 GHz to 30 GHz

6.3.11 Sub-harmonics and Multiples

All sub-harmonics and multiples of sub-harmonics of the output signal of the synthesizer shall not exceed -60 dBc.

6.3.12 Spurious Outputs

The non-harmonically related spurious emissions shall not exceed -60dBc for RF frequencies from 10 MHz to 30

GHz.

6.3.13 Single Sideband Phase Noise

The single sideband phase noise of the output synthesizer shall not exceed the following specifications:

Frequency Range Frequency Offset (Hz) dBc (Hz) 10 MHz to 1050 MHz 100 -93 1050 MHz to 30 GHz 100 -63 10 MHz to 1050 MHz 1k -118 1050 MHz to 30 GHz 1k -88 10 MHz to 1050 MHz 10k -121 1050 MHz to 30 GHz 10k -98 10 MHz to 1050 MHz 100k -119 1050 MHz to 30 GHz 100k -92

6.4 General Requirements

6.4.1 Interface Capability

The instrument shall be equipped with an IEEE-488.2-1992 interface. The interface shall incorporate all of the

IEEE-488.2 Common Commands and Queries. Any function that can be entered via the front panel shall be controllable via the interface, with the exception of power on/off. In addition, any or all of the functions which can be displayed, can be queried and sent over the interface. The GPIB Address shall be selectable from a system

6.4.2 Dimensions

The synthesizer shall be designed for mounting in a standard 19 inch EIA electronic equipment rack. The depth of the synthesizer from the back of the front panel shall not exceed 22 inches. No controls or fittings shall project more than 1 1/2 inches from the face of the front panel. The height and width shall be as follows:

Height: 8.75 inches; Width: Instrument plus rack mounting shall fit within a standard EIA 19 inch rack

Attachment 1 11

6.4.3 Artifact Calibration

Calibration of the synthesizer shall be accomplished by comparison to external standards traceable to the National

Institute of Standards and Technology (NIST). Any unique accessories including software required for calibration of this item shall be furnished by the manufacturer.

7. Microwave Power Splitter

7.1 Scope

This section of the purchase description describes a microwave power splitter.

7.2 General Description

Weinschel Power Splitter Model 1870A or Keysight Power Splitter Model 11667A

7.3 Electrical Performance Requirements

7.3.1 Frequency Range

The operating frequency range shall equal or exceed DC to 18 GHz.

7.3.2 Impedance

The device input impedance shall be 50 ohms nominal.

7.3.3 Equivalent Output VSWR

The maximum equivalent output VSWR shall not exceed:

DC to 4 GHz 1.10:1

4 GHz to 8 GHz 1.20:1

8 GHz to 18 GHz 1.35:1

7.3.4 Output Tracking

The variance in the tracking between the output arms with change in frequency shall not exceed:

DC to 4 GHz 0.15 dB

4 GHz to 8 GHz 0.20 dB

8 GHz to 18 GHz 0.25 dB

7.3.5 Insertion Loss

The insertion loss from the input to either output shall be nominally 6.0 dB.

Attachment 1 12

7.3.6 Maximum Input Power

The device shall be capable of a continuous input power of +27 dBm (0.5 watt) without loss or degradation of function or accuracy.

7.3.7 Connectors

The connectors shall be precision Type N female on all ports.

8. Coaxial Step Attenuator

8.1 Scope

This section of the purchase description describes a microwave coaxial step attenuator.

8.2 General Description

Keysight Step Attenuator Model 8496B

Option 001: Type N(f) connectors

8.3 Electrical Performance Requirements

8.3.1 Frequency Range

The device operating frequency range shall be from DC to 18 GHz.

8.3.2 Incremental Attenuation

The device incremental attenuation shall be from 0 to 110 dB in 10 dB steps.

8.3.3 Attenuation Accuracy

The attenuation accuracy, referenced to 0 dB, shall be equal to or superior to the following (±dB):

Attenuation (dB) DC to 12.4 GHz 12.4 to 18.0 GHz

10 0.5 0.6

20 0.7 0.8

30 0.9 1.2

40 1.2 1.6

50 1.5 2.0

60 1.8 2.4

70 2.1 2.8

80 2.4 3.2

90 2.7 3.6

100 3.0 4.0

110 3.3 4.4

Attachment 1 13

8.3.4 VSWR Maximum

The VSWR maximum at 50 ohms nominal impedance shall not exceed:

DC to 8.0 GHz 1.5:1

8.0 GHz to 12.4 GHz 1.6:1

12.4 GHz to 18.0 GHz 2.0:1

8.3.5 Power Rating

The device power rating shall permit 1.0 Watt average, and 100 Watts peak without loss of accuracy or function.

8.3.6 Insertion Loss

The maximum insertion loss shall not exceed 0.6 dB + 0.1 dB/GHz at the 0 dB setting.

8.3.7 Connectors

The connectors shall be precision type N female at both ends.

9. 10dB Fixed Attenuator

9.1 Scope

This section of the purchase description describes a microwave 10 dB fixed attenuator.

9.2 General Description

The instrument described herein shall be Brand Name or equal to:

Narda 10dB Fixed Attenuator Model 779 or Keysight 10dB Fixed Attenuator Model 8491B-010

9.3 Electrical Performance Requirements

9.3.1 Attenuation

The attenuation shall be 10.0 dB +/-0.6 dB, bidirectional, over the frequency range of DC to 18 GHz.

9.3.2 Frequency Range

The device operating frequency range shall be DC to 18 GHz.

9.3.3 VSWR Maximum

The maximum VSWR at 50 Ohms nominal impedance shall not exceed:

DC to 4.0 GHz: 1.2:1

4.0 GHz to 12.4 GHz: 1.3:1

12.4 GHz to 18.0 GHz: 1.5:1

Attachment 1 14

9.3.4 Power Handling Capacity

The device shall be capable of dissipating 2 Watts continuous, and 100 watts peak without loss of accuracy or function.

9.3.5 Connectors

The device connectors shall be precision type N stainless steel with a Male Connector on one end and a Female

Connector on the other end.

10. Oscilloscope Calibrator

10.1 Scope

This section of the purchase description defines the requirements of an oscilloscope and digitizer calibration standard.

10.2 General Description

Fluke Oscilloscope Calibrator Model 9500B/3200 with options:

Opt. Name Quantity

9530 Fast Output Head to 3.2 GHz 4

9500-4955 9500 to 4950/DMM Calibration Interface Adapter 1

9500-90 Rack mount kit 1

10.3 Instrument Mainframe

10.3.1 General Description

The unit shall consist of a 3.2 GHz main frame capable of supporting up to 5 channels at the specifications of the active head described below.

10.3.2 Electrical Performance Requirements (See PD paragraphs 10.3.3 through

10.3.3.5.2.2)

10.3.3 3.2 GHz Fast Output Head

This active head shall be capable of supporting the following specifications.

10.3.3.1 Voltage Function

10.3.3.1.1 Amplitude Range

10.3.3.1.1.1 DC into 1 MOhms

Attachment 1 15

The amplitude range of the instrument shall include +/- 1 mV to +/- 200 V.

10.3.3.1.1.2 DC into 50 Ohms

The amplitude range of the instrument shall include +/- 1 mV to +/- 5.0 V.

10.3.3.1.1.3 Square Wave into 1 MOhms

The amplitude range of the instrument shall include 40 uV to 200 V pk-pk.

10.3.3.1.1.4 Square Wave into 50 Ohms

The amplitude range of the instrument shall include 40 uV to 5.0 V pk-pk.

10.3.3.1.2 Accuracy

10.3.3.1.2.1 DC into 1 MOhms

The accuracy of the instrument shall be equal to or superior to +/-(0.025% of setting + 25 uV).

10.3.3.1.2.2 DC into 50 Ohms

The accuracy of the instrument shall be equal to or superior to +/-(0.025% of setting + 25 uV).

10.3.3.1.2.3 Square Wave into 1 MOhms

The accuracy of the instrument shall be equal to or superior to +/-(0.1% of setting + 10 uV) for outputs greater than or equal to 1 mV pk-pk; and +/-(1% of setting + 10 uV) for outputs less than 1 mV pk-pk at frequencies less than or equal to 10 KHz.

10.3.3.1.2.4 Square Wave into 50 Ohms

The accuracy of the instrument shall be equal to or superior to +/-(0.1% of setting + 10 uV) for outputs greater than or equal to 1 mV pk-pk; and +/-(1% of setting + 10 uV) for outputs less than 1 mV pk-pk at frequencies less than or equal to 10 KHz.

10.3.3.1.3 Ranging

10.3.3.1.3.1 DC into 1 MOhms

The Volt/div scaling shall support all of the following sequences: 1, 2, 5; 1, 2, 2.5, 4, 5; and continuously variable.

10.3.3.1.3.2 DC into 50 Ohms

The Volt/div scaling shall support all of the following sequences: 1, 2, 5; 1, 2, 2.5, 4, 5; and continuously variable.

10.3.3.1.3.3 Square Wave into 1 MOhms

Attachment 1 16

The Volt/div scaling shall support all of the following sequences: 1, 2, 5; 1, 2, 2.5, 4, 5; and continuously

10.3.3.1.3.4 Square Wave into 50 Ohms

The Volt/div scaling shall support all of the following sequences: 1, 2, 5; 1, 2, 2.5, 4, 5; and continuously variable.

10.3.3.1.4 Deviation

10.3.3.1.4.1 DC into 1 MOhms

The output of the instrument at any given setting shall be adjustable over a range of at least +/-11% including over range and under range.

10.3.3.1.4.2 DC into 50 Ohms

The output of the instrument at any given setting shall be adjustable over a range of at least +/-11% including over

10.3.3.1.4.3 Square Wave into 1 MOhms

The output of the instrument at any given setting shall be adjustable over a range of at least +/-11% including over

10.3.3.1.4.4 Square Wave into 50 Ohms

The output of the instrument at any given setting shall be adjustable over a range of at least +/-11% including over

10.3.3.1.5 Rise/Fall Time

10.3.3.1.5.1 Square Wave into 1 MOhms

The rise and fall times of the square wave output shall be less than 150 nS for voltage outputs less than 100 V pk-pk, and less than 200 nS for voltage outputs greater than or equal to 100 V pk-pk.

10.3.3.1.5.2 Square Wave into 50 Ohms

The rise and fall times of the square wave output shall be less than 150 nS for all available output voltages.

10.3.3.1.6 Aberrations

10.3.3.1.6.1 Square Wave into 1 MOhms

The aberrations of the square wave output shall be less than 2% of output setting for the first 500 nS.

10.3.3.1.6.2 Square Wave into 50 Ohms

Attachment 1 17

The aberrations of the square wave output shall be less than 2% of output setting for the first 500 nS.

10.3.3.1.7 Frequency

The square wave frequency range shall include 10 Hz to 100 KHz.

10.3.3.2 Timing Marker Function

10.3.3.2.1 Square

10.3.3.2.1.1 Period

The periods available shall include 9.0091 nS to 55 S.

10.3.3.2.1.2 Ranging

The Time/div scaling shall support all of the following sequences: 1, 2, 5; 1, 2, 2.5, 4, 5; and continuously

10.3.3.2.1.3 Deviation

The instrument shall be capable of adjustment from nominal output of at least +/-45% of setting including over range.

10.3.3.2.1.4 Timing Accuracy

The timing accuracy of the marker shall not exceed +/-0.25 ppm of output for settings less than 83 uS, and shall not exceed +/- 3 ppm of output for settings greater than or equal to 83 uS.

10.3.3.2.1.5 Amplitude

The amplitudes available shall include 100 mV to 1 V pk-pk.

10.3.3.2.2 Sine

10.3.3.2.2.1 Period

The periods available shall include 450.5 pS to 9.009 nS.

10.3.3.2.2.2 Ranging

The Time/div scaling shall support all of the following sequences: 1, 2, 5; 1, 2, 2.5, 4, 5; and continuously

10.3.3.2.2.3 Deviation

The instrument shall be capable of adjustment from nominal output of at least +/-45% of setting including over

Attachment 1 18

10.3.3.2.2.4 Timing Accuracy

The timing accuracy of the marker shall not exceed +/-0.25 ppm of output for settings less than 83 uS, and shall not exceed

+/-3 ppm of output for settings greater than or equal to 83 uS.

10.3.3.2.2.5 Amplitude

10.3.3.2.3 Pulse

10.3.3.2.3.1 Period

The periods available shall include 900.91 nS to 55 S.

10.3.3.2.3.2 Ranging

The Time/div scaling shall support all of the following sequences: 1, 2, 5; 1, 2, 2.5, 4, 5; and continuously

10.3.3.2.3.3 Deviation

The instrument shall be capable of adjustment from nominal output of at least +/-45% of setting including over

10.3.3.2.3.4 Timing Accuracy

The timing accuracy of the marker shall not exceed +/-0.25 ppm of output for settings less than 83 uS, and shall not

10.3.3.2.3.5 Amplitude

10.3.3.2.4 Narrow Triangle

10.3.3.2.4.1 Period

The periods available shall include 900.91 nS to 55 S.

10.3.3.2.4.2 Ranging

The Time/div scaling shall support all of the following sequences: 1, 2, 5; 1, 2, 2.5, 4, 5; and continuously

10.3.3.2.4.3 Deviation

Attachment 1 19

The instrument shall be capable of adjustment from nominal output of at least +/-45% of setting including over

10.3.3.2.4.4 Timing Accuracy

The timing accuracy of the marker shall not exceed +/-0.25 ppm of output for settings less than 83 uS, and shall not

10.3.3.2.4.5 Amplitude

10.3.3.3 Leveled Sine Function

10.3.3.3.1 Frequency Range

The frequency range available shall include 0.1 Hz to 3.2 GHz.

10.3.3.3.2 Amplitude (pk-pk into 50 Ohms)

The amplitude available shall include 5 mV to 5 V from 0.1 Hz to 550 MHz, 5 mv to 3 V from 550 MHz to 2.5

GHz, and 5 mV to 2 V from 2.5 to 3.2 GHz.

10.3.3.3.3 Accuracy

The amplitude accuracy of the instrument shall be equal or superior to +/-1.5% at single reference frequency (50

KHz to 10 MHz).

10.3.3.3.4 Flatness

The flatness of the output amplitude with respect to the reference frequency amplitude shall not exceed +/-2.0% from 0.1 to 300 MHz, +/-3% from 300 MHz to 550 MHz, +/-4% from 550 MHz to 1.1 GHz, and 5% from 1.1 GHz to 3.2 GHz.

10.3.3.3.5 Harmonic Purity

The 2nd harmonic of any output shall not exceed -35 dBc and the 3rd harmonic of any output shall not exceed -40 dBc in 12 GHz.

10.3.3.3.6 Nonharmonic and Subharmonic Purity

Nonharmonic and subharmonic signals for any output shall not exceed -40 dBc

10.3.3.4 Dual Sine Function

10.3.3.4.1 Frequency Range

The frequency range available shall include 0.1 Hz to 3.2 GHz.

Attachment 1 20

10.3.3.4.2 Time Alignment

The time alignment between any two channels shall not exceed +/-25 pS

10.3.3.5 Input Impedance

10.3.3.5.1 Resistance Measurement

10.3.3.5.1.1 Range

The range of resistances measured shall include 10 Ohms to

12 MOhms.

10.3.3.5.1.2 Accuracy

The accuracy with which the instrument measures the input resistances shall be equal to or superior to +/-0.5% over the entire range.

10.3.3.5.2 Capacitance Measurement

10.3.3.5.2.1 Range

The range of capacitances measured shall include 1 pF to 95 pF.

10.3.3.5.2.2 Accuracy

The accuracy with which the instrument measures the input capacitances shall be equal to or superior to +/-(3% of input+0.25pF) over the entire range.

10.3.4 General Requirements

10.3.4.1 Interface Capability

The instrument shall be equipped with an IEEE-488.2-1992 interface. The interface shall incorporate all of the

IEEE-488.2 Common Commands and Queries. Any function that can be entered via the front panel shall be controllable via the interface, with the exception of power on/off. In addition, any or all of the functions which can be displayed, can be queried and sent over the interface. The GPIB Address shall be selectable from a system

10.3.4.2 Dimensions

The dimensions of the mainframe shall not exceed:

Height : 5.25 Inches Maximum (excluding feet)

Depth : 20.0 Inches Maximum

Width : Instrument plus rack mounting shall fit within a standard EIA 19 inch rack

Attachment 1 21

10.3.4.3 Physical Mounting

The instrument shall be furnished with accessories necessary for mounting in a standard 19 inch Electronic

Industries Association (EIA) rack.

11. Universal Counter / Rubidium

11.1 Scope

This section of the purchase description defines the requirements of a universal counter and rubidium frequency standard used to measure timing and frequency parameters of complex waveforms.

11.2 General Description

Spectracom Universal Counter Model CNT-91R/AF

This particular Model comes with Options:

Opt 71 Rear Panel 0.1, 1, 5, and 10 MHz frequency outputs

Opt 10 Input C 100 MHz to 3.0 GHz

PM9622 Rack Flange Kit for use with supplied front handles

11.3 Electrical Performance Requirements

11.3.1 Channel A and B Specifications

11.3.1.1 Input Sensitivity (X1)

The input sensitivity of channels A and B shall be equal to or better than:

25 mV rms for sinewave inputs over their entire frequency spans

75 mV peak-to-peak pulse at minimum pulse width of 5 nS

11.3.1.2 Dynamic Range (X1)

The dynamic range of channels A and B shall be equal to or greater than:

75 mV to 5.0 V peak-to-peak, to 100 MHz, and

75 mV to 2.5 V peak-to-peak, for channel A inputs greater than 100 MHz

11.3.1.3 Trigger Level

11.3.1.3.1 Range

The trigger level range of channels A and B shall be equal to or greater than:

X1: -5 V to +5 V

X10: -50 V to +50 V

Attachment 1 22

11.3.1.3.1.1 Range Setting (X1)

11.3.1.3.1.1.1 Auto Trigger OFF

The trigger level range with auto trigger off shall be:

Preset: To 0 VDC nominal

Adjustable: From -5 VDC to +5 VDC

11.3.1.3.1.1.2 Auto Trigger ON

The trigger level range with auto trigger on shall be:

Preset: To nominal 50% point of input signal

Adjustable: Nominally between the positive and negative peaks of the input signal

11.3.1.3.2 Resolution

The trigger level resolution for channels A and B shall be equal to or better than:

X1: 10 mV

X10: 100 mV

11.3.1.3.2.1 Accuracy (X1)

The trigger level accuracy of the instrument for channels A and B on X1 attenuation and DC coupling shall be equal to or better than:

+/-(20 mV + 0.5% of reading)

11.3.1.3.2.2 Trigger Level Digital Voltmeter

The instrument shall include a trigger level digital voltmeter, which can measure and display the trigger levels of channels A and B.

11.3.1.3.3 Auto Trigger (X1)

11.3.1.3.3.1 Operation

The auto trigger function of the counter shall cause the counter to automatically select the 10% and 90% rise/fall time trigger points, 50% phase trigger points, or the operator's preset value for inputs to channels A and B.

11.3.1.3.3.2 Frequency Range (50% duty cycle)

The channels A and B auto trigger frequency range for a 50% duty cycle signal input shall be equal to or better than:

DC coupled: 30 Hz to 100 MHz

AC coupled and 50 ohms input impedance: 30 Hz to 100 MHz

AC coupled and 1 Megohm input impedance: 200 KHz to 100 MHz

Attachment 1 23

11.3.1.3.3.3 Minimum signal

The minimum signal input for auto trigger shall not exceed 100 mV rms.

11.3.1.3.3.4 Duty cycle range

The auto trigger duty cycle range shall include from 10% to 90% duty cycles.

11.3.1.3.4 Coupling

The coupling shall be AC or DC switchable.

11.3.1.3.5 Input Impedance

The input impedance of channels A and B shall be independently settable to 1 Megohm shunted by less than 35 pF and 50 ohms, when separate signals are applied to each channel; and 1 Megohms shunted by less than 50 pF, when connected for COMMON A input.

11.3.1.3.6 Attenuator

The instrument shall be capable of X1 and X10 signal attenuation of the input signals to channels A and B.

11.3.1.3.7 Slope

The slope of the trigger for inputs to channels A and B shall be positive and negative, independently selectable for each channel.

11.3.1.3.8 Channel Input

The instrument shall permit the operator to select the inputs to channels A and B as COMMON A or SEPARATE.

11.3.1.3.9 Maximum Operating Level

The instrument shall be capable of accepting signal inputs to channels A and B over a dynamic range of -50 VDC to +50 VDC with the appropriate attenuator setting.

11.3.1.4 Functions

11.3.1.4.1 Frequency

11.3.1.4.1.1 Range

The instrument shall be capable of measuring frequencies from 1 Hz to 300 MHz on channel A and from 1 Hz to

100 MHz on channel B.

11.3.1.4.1.2 Least Significant Digit Displayed

The LSD displayed for frequency measurements shall be equal to or better than:

Attachment 1 24

(Frequency X 1 nS)/Gate Time

11.3.1.4.1.3 Resolution

The attainable resolution of frequency measurements shall be equal to or better than:

+/-(2 X LSD + (1.4 X Frequency X Trigger Error)/Gate Time)

11.3.1.4.1.4 Accuracy

The total errors of the frequency measurements shall not exceed:

+/-(Resolution + (Time Base Error X Frequency))

11.3.1.4.2 Period

11.3.1.4.2.1 Range

The instrument shall be capable of measuring periods from 10 nS to 1000 S.

11.3.1.4.2.2 Least Significant Digit Displayed

The Least Significant Digit (LSD) displayed for period measurements shall be equal to or better than:

(Period X 1 nS)/Gate Time

11.3.1.4.2.3 Resolution

The attainable resolution of period measurements shall be equal to or better than:

+/-(2 X LSD + (1.4 X Period X Trigger Error)/Gate Time)

11.3.1.4.2.4 Accuracy

The total errors of the period measurements shall not exceed:

+/-(Resolution + (Time Base Error X Period))

11.3.1.4.3 Time Interval

11.3.1.4.3.1 Range

The instrument shall be capable of measuring time intervals (TI) from 10 nS to 1000 S.

11.3.1.4.3.2 Least Significant Digit Displayed

The LSD displayed for time interval measurements shall be equal to or better than 1 nS.

11.3.1.4.3.3 Resolution

Attachment 1 25

The resolution of time interval measurements shall be equal to or better than:

+/-(2 X LSD + START Trigger Error + STOP Trigger Error)

11.3.1.4.3.4 Accuracy

The sum of the errors in time interval measurements shall not exceed:

+/-((Resolution) + (Time Base Error X Time Interval) +

(Trigger Level Timing Error)+(2 nS))

11.3.1.4.4 Rise and Fall Time

11.3.1.4.4.1 Range

The instrument shall be capable of rise time and fall time measurements over the range of 20 nS to 10 mS.

11.3.1.4.4.2 Minimum Pulse Height

The minimum pulse height for rise time and fall time measurements shall not exceed 500 mV peak-to-peak.

11.3.1.4.4.3 Minimum Width at Peak of Signal

The minimum width at peak of signal required for rise time and fall time measurements shall not exceed 20 nS.

11.3.1.4.4.4 Duty Cycle Range

The instrument shall be capable of measuring rise time and fall time for input signals with a duty cycle range of between 20% and 80%.

11.3.1.4.4.5 Least Significant Digit Displayed

The LSD displayed for rise time and fall time measurements shall be equal to or better than 1 nS.

11.3.1.4.4.6 Resolution

The resolution of rise time and fall time measurements shall be equal to or better than:

+/-((2 X LSD) + (START Trigger Error) + (STOP Trigger Error))

11.3.1.4.4.7 Accuracy

The sum of the errors in rise time and fall time measurements shall not exceed:

+/-((Time Interval Accuracy)+ (Trigger Level Setting Error at 10% point)+

(Trigger Level Setting Error at 90% point))

11.3.1.4.4.8 Input Mode

Attachment 1 26

The instrument shall automatically set to COMMON A input with 10% and 90% trigger levels.

11.3.1.4.5 Ratio

11.3.1.4.5.1 Range

The instrument shall be capable of ratio A/B measurements at frequencies up to 100 MHz.

11.3.1.4.5.2 Least Significant Digit Displayed

The LSD displayed for ratio measurements shall be equal to:

Ratio/(Higher Frequency X Gate Time)

11.3.1.4.5.3 Resolution

The resolution of ratio A/B measurements shall be equal to or better than:

+/-(LSD + (Higher Frequency Trigger Error X Ratio)/Gate Time)

11.3.1.4.5.4 Accuracy

The accuracy of ratio A/B measurements shall be equal to or better than:

11.3.2 Channel C Specifications

11.3.2.1 Electrical Specifications

11.3.2.1.1 Sensitivity

Channel C of the instrument shall have an input sensitivity equal to or better than:

10 mV rms sine wave up to 1 GHz

100 mV rms sine wave from above 1 GHz to 1.3 GHz

11.3.2.1.2 Dynamic Range

The dynamic range of the signal inputs to channel C shall include:

10 mV to 1 V rms to 1 GHz

100 mV to 1 V rms from above 1 GHz to 1.3 GHz

11.3.2.1.3 Coupling

The input signals to channel C of the instrument shall be AC coupled.

11.3.2.1.4 Impedance

Attachment 1 27

The input impedance of the input to channel C of the instrument shall be 50 ohms nominally with a VSWR of less than 3:1.

11.3.2.1.5 Damage Level

The damage level of channel C of the instrument shall exceed +/-8 V (DC + AC peak). The channel C input shall be fuse protected.

11.3.2.2 Functions

11.3.2.2.1 Frequency

11.3.2.2.1.1 Range

The channel C input of the instrument shall enable it to measure frequencies between the 200 MHz and 2.7 GHz.

11.3.2.2.1.2 Least Significant Digit Displayed

The LSD displayed for channel C frequency measurements shall be equal to or better than:

(Frequency X 1 nS)/Gate Time

11.3.2.2.1.3 Resolution

The attainable resolution of channel C frequency measurements shall be equal to or better than:

+/-(2 X LSD + (1.4 X Frequency X Trigger Error)/Gate Time)

11.3.2.2.1.4 Accuracy

The total errors of the channel C frequency measurements shall not exceed:

+/-(Resolution + (Time Base Error X Frequency))

11.3.2.2.2 Ratio C/A

11.3.2.2.2.1 Range

The instrument shall be capable of Ratio C/A measurements where the input to channel A ranges from 1 to 160

MHz; and the input to channel C ranges from 100 MHz to 2.7 GHz.

11.3.2.2.2.2 Least Significant Digit Displayed

The LSD displayed for ratio measurements shall be equal to:

Ratio/(Higher Frequency X Gate Time)

11.3.2.2.2.3 Resolution

Attachment 1 28

The resolution of ratio C/A measurements shall be equal to or better than:

11.3.2.2.2.4 Accuracy

The accuracy of ratio C/A measurements shall be equal to or better than:

11.4 Rubidium High Stability Timebase and Frequency Reference Outputs

The instrument shall contain a rubidium high stability timebase.

11.4.1 Electrical Performance Requirements

11.4.1.1 Output Frequencies

The instrument shall provide rear panel outputs phase locked to the timebase at 10 MHz, 5 MHz, 1 MHz and 100

KHz.

11.4.1.2 Frequency Characteristics

11.4.1.2.1 Timebase Accuracy/Fractional Frequency Offset

The output frequency shall not change by more than 3 X 10 to the minus tenth per day after a 24 hour warm-up period and where the ambient temperature does not vary by more than +/-5 degrees C over that same period.

11.4.1.3 Phase Noise

The Single Side Band (SSB) phase noise in a 1 Hz Bandwidth shall be less than -140 dBc at 1000 Hz from the carrier frequency.

11.4.1.4 Retrace

The output frequency of the unit shall be within 1 X 10 to the minus 10 of the original set frequency within a 1 hour warm-up period after 24 hours off time. The output frequency of the unit shall be within 5 X 10 to the minus

11 of the original set frequency within a 24 hour warm-up period.

11.4.1.5 Output amplitude

The output amplitude available from all frequency outputs shall exceed 1 V p-p into 50

11.4.2 General Requirements

11.4.2.1 Interface Capability

Attachment 1 29

The instrument shall be equipped with an IEEE-488.2-1992 interface. The interface shall incorporate all of the

IEEE-488.2 Common Commands and Queries. Any function that can be entered via the front panel shall be controllable via the interface, with the exception of power on/off. In addition, any or all of the functions which can be displayed, can be queried and sent over the interface. The GPIB Address shall be selectable from a system

11.4.2.2 Measuring Functions

Measuring functions must include: phase, duty factor, rise/fall-time, peak voltage, frequency, period

11.4.2.3 Self-Tests

The instrument must run a self-test during every power-on or reset.

11.4.2.4 Calibration Requirements

The instrument must be capable of being calibrated with assets already in PMEL inventory. PMEL will perform the calibration.

11.4.2.5 Dimensions

The dimensions of the mainframe shall not exceed:

Height : 5.25 Inches Maximum (excluding feet)

Depth : 20.0 Inches Maximum

Width : Instrument plus rack mounting shall fit within a standard EIA 19 inch rack

11.4.2.6 Physical Mounting

The instrument shall be furnished with accessories necessary for mounting in a standard 19 inch Electronic

Industries Association (EIA) rack.

12. Test Module Adapter (TMA) Controller

12.1 Scope

A laptop controller is required that can efficiently operate under the Microsoft Windows 10 Professional operating system.

12.2 General Description

Controller: A laptop controller is required that can efficiently operate under Microsoft Windows 10 Professional

64 bit operating system. All major components of the system must be commercially available and fully supportable by commercial sources. Where specific brands are identified in this specification, no substitutes are allowed without prior approval from the AFMETCAL. The Controller must meet or exceed Microsoft Windows

10 Professional hardware requirements.

12.2.1 Salient Characteristics

12.2.1.1 Processor: Intel Pentium V or otherwise equivalent or better generation minimum, Attachment 1 30

2.0 GHz clock speed minimum.

12.2.1.2 Memory: Minimum 8 GB system Memory.

12.2.1.3 Input Output (I/O) External Ports, Slots and Connectors:

At minimum, the following types of I/O interface connections must be available on the controller or via port replication:

12.2.1.3.1 USB: Minimum of four integrated USB Ver 2.0 compliant ports.

12.2.1.3.2 Ethernet: One 100/1000 BaseT Ethernet RJ45 port.

12.2.1.3.3 Video: Areo-Capable Graphics card that supports Windows Display Driver Model (WDDM 1.0) with a minimum of 128 MB that supports Direct X 9.

12.2.1.4 Display Panel: Minimum 14.1-inch flat panel LCD Color Display Panel with at least 1600 x 900 resolution for a 16:9 aspect ratio.

12.2.1.5 Hard Drive: 80 GB (Minimum) Hard Disk Drive.

12.2.1.6 DVD-ROM

DVD/RW: at least 8X Speed

12.2.2 Operating System and Software:

All software must run under Microsoft Windows 10 (Professional operating system or greater 64bit, latest version release). All software must run Windows 10 as a non-elevated user. Shall be supplied with Microsoft Word and

Excel, latest release with a non-renewable license.Power, Mechanical & Physical Requirements

12.2.5 Additional Hardware: Additional hardware required to make this system function as identified by this purchase description shall be required.

13. Power, Mechanical & Physical Requirements

13.1 Applicability

The following paragraphs of this section on power, mechanical & physical requirements are applicable to every component of the purchase description to the extent that they can be made to apply, unless expressly overridden or additionally qualified by specifications in the individual device's description. For example, none of the cases described above have shafts, bearings, regulators, or switches as mentioned in the "Design and Construction" paragraph below, but indeed, they shall be designed and constructed of materials that meet the requirements of this specification and in accordance with the best commercial practices.

13.1.1 Stability

All instruments shall maintain accuracy as specified for at least 12 months, unless otherwise specified, when used in a laboratory environment within the environmental specifications of this purchase description.

13.1.2 Input Power

All AC powered instruments of this purchase description shall operate on power of 115/230 VRMS +/-10%, 50/60

Hz +/-5%. Detachable 115V power cords shall be provided with the system and shall meet the requirements of

MIL-PRF-28800F, paragraph 3.5.

Attachment 1 31

13.1.3 Commercial Parts

Commercial parts and materials that are used shall have properties consistent with a precision laboratory instrument.

13.1.4 Design and Construction

The equipment shall be designed and constructed of materials that meet the requirements of this specification and in accordance with the best commercial practices for industry-approved equipment. It shall be designed and manufactured to maximize reliability, maintainability, accuracy of operation, and ease of operation. All parts such as shafts, bearings, regulators, switches, controls, etc, shall have proper clearance and adjustments. They shall work together so that the equipment will supply the rated requirements without unnecessary strains, vibrations, or overheating. They shall be able to withstand the conditions met in shipping, storage, installation, and service. All material and parts of this equipment shall be capable of withstanding the environmental requirements of this specification.

13.1.5 Environmental Requirements

The equipment supplied shall meet the environmental requirements as specified in MIL-PRF-28800F paragraph 3.8 for Class 4 equipment with the following exceptions:

1. All electrical, electronic and electromechanical items shall be capable of operating in an ambient temperature of

15 to 35 degrees C without loss of required accuracy.

2. The equipment shall maintain specified accuracy in an atmosphere of from 20% to 60% relative humidity.

13.1.6 Enclosure Physical Characteristics

The equipment shall meet the enclosure physical characteristics requirements of MIL-PRF-28800F paragraph 3.6, except that paragraph 3.6.4.5 Handles does not apply.

13.2 Protective Covers

All exposed connectors shall be protected by dust covers or caps.

13.3 Safety

The equipment shall conform to MIL-PRF-28800F, paragraph 3.10.

14. Operating Cases

14.1 Scope

This section of the purchase description covers an operating case for the transportation and protection of the instrumentation used in the PATEC. The case shall permit the installation of a variety of rack mount configured equipment and drawers. The equipment shall be operated while installed in the case with the covers removed.

With the covers installed, the case shall provide environmental protection for the enclosed equipment.

Attachment 1 32

14.2 General Description

14.2.1 Case

The operating case described herein shall be Brand Name or equal to the following:

ECS P/N 00112306 Qty 1

ECS P/N 00112307 Qty 1

The above P/Ns include the following P/Ns and options:

7314 7000 Series Rackmount Case

202 Aluminum Drawer 3.47 inch (part of Case 1, P/N 00112306)

204 Aluminum Drawer 6.97 inch (part of Case 2, P/N 00112307)

208 AC Power Strip

209 Support Rails (Two Pairs)

213A Pressure Relief Valve

217 Color Desert Tan (33446)

235 Lid Hangers

236 Storage Pouch – Large Size for Rear Lid

326 Removable Casters with Brakes

All requirements listed are essentially those contained in the undated ECS Catalog for ECS 7314 Case.

14.3 Requirements

14.3.1 Case Body and Covers Design and Construction

14.3.1.1 Style and Dimensions

The case shall consist essentially of a case shell with front and rear removable covers, and lifting handles or rings.

The shell center shall include a frame suitable for mounting standard rack mountable instruments allowing the instruments to be operated in the case when the covers are removed. The frame shall be shock isolated.

The case maximum outside dimensions (excluding hardware or molded ribs) shall be 24 inches (6l0 mm) in width

(W), 30.0 inches (762.0 mm) in depth (D), 30.0 inches in height (H).

The clear inside rack height shall not be less than 24.5 inches.

14.3.1.2 Materials

The case body and covers shall be constructed of fire retardant, molded fiberglass reinforced plastic or other composite materials suitable for the purpose intended and meeting all other performance specifications specified herein.

14.3.1.3 Casters

Casters shall be provided to allow for moving the unit without lifting. The casters shall be removable and shall have a locking “brake” to prevent it from moving during use.

Attachment 1 33

14.3.1.4 Pressure Relief Valve

A simple, manually operated pressure relief valve or automatic pressure relief valve shall be provided to equalize the air pressure inside the case with the outside air pressure. The valve shall be designed, positioned, and recessed on the case to prevent damage and accidental opening. The valve assembly shall be replaceable without opening the case and shall not require the use of special tools.

14.3.1.5 Guides

Guides or alignment indicators shall be provided for ease in aligning the front and rear covers to the case body during closing of the case.

14.3.1.6 Handles

Four heavy-duty, large bail handles shall be provided with stops to hold the bail at right angle to the mounting plate when in carrying position and spring loaded to fold the bail into a down position when released. The handles shall be fitted two on each side of the main body of the case. The handles shall be recessed into the surface of the case body to prevent damage from direct or glancing blows during movement and shipment of the case. The bail of the handles shall have a grip diameter not less than 0.375 inch ((0.94 cm), an inside length not less than 4.5 inches

(11.43 cm) with a minimum clearance of 2.0 inches (5.08 cm) between the bail grip and the mounting plate. The handles shall be installed sufficiently above the center of gravity of the equipment to ensure carrying stability.

Protection shall be provided from all sides. The handles shall be capable of lifting a total case weight of 250 pounds (113.5 kg).

14.3.1.7 Mounting Rack Frame

Mounting Rack Frame Unit

The case shall incorporate an interior shock isolated, heavy duty, equipment mounting rack frame unit permitting the installation of standard EIA , 19-inch (482.6 mm) rack mounting equipment up to the maximum height of the rack frame. The internal shock mounting provisions shall suspend the mounting rack frame to isolate the equipment from the case shell.

14.3.1.7.1 Mounting Rack Frame Clearance

The case body shall have a depth of not less than 22 inches (558.8 mm). The front and rear covers shall have a depth of not less than 2.50 inches (63.5 mm). This will provide a minimum clearance of 3.50 inches (88.9 mm) between the rack faces and the insides of the covers. A clearance of not less than 2.00 inches (50.8 mm) shall be provided between the sides of the rack and the inside of the case body and between the top and bottom of the rack and the inside of the case body.

14.3.1.8 Instrument Supports

T-bar instrument supports shall be provided so that each mounting rack frame may be configured for any combination of instruments and/or drawers. The T-bar supports shall extend from the sides of the mounting rack frame to provide support for the instrument chassis. The edges of the installed T-bar supports shall be a maximum of 15 inches apart. The T-bar support mounting shall be designed to provide continuous adjustment of the supports at any position within the mounting rack height so as to provide instrument chassis support for both standard (1.75 inch height increment) chassis and non-standard chassis. The horizontal part of the T-bar must be cut back on both

Attachment 1 34 ends so that it is at least 1 1/2 inches from the rack face. Each case shall be provided with two sets of T-bar supports.

14.3.1.9 Lid Hangers

Lid hangers shall be provided so that each lid may be attached to the side of the case. Brackets on the top of the case enclosure mate with brackets mounted on the lid.

14.3.1.10 Storage Pouch

One storage pouch per case shall be provided. The pouch shall be mounted in the rear case lid, shall be removable via snaps and have a zippered opening. Pouch dimensions shall be at least 12”x12”x2”.

14.3.2 Drawer

The drawer shall be constructed of aluminum or molded glass fiber reinforced plastic with an aluminum face.

Mounting slides shall be supplied to install the drawer in the rack frame. The slides shall be furnished with all necessary hardware for mounting to the front and rear rack frame drilling pattern. It shall be possible to mount the drawer in any 1.75 inch incremental position within the rack frame. The drawer slides furnished shall have a positive stop feature to prevent accidental removal of the drawer from the slide. The drawer slides shall further have a finger operated quick release to permit deliberate removal of the drawer from the slide. The drawer shall be fitted with a lid or cover. The lid shall be secured to the rear of the drawer with an aluminum piano type hinge. To secure the drawer in the rack frame, two one-quarter turn latch buttons shall be provided. One shall be mounted on each side of the front panel of the drawer and engage the rack frame equipment mounting rail. A suitable handle shall be mounted in the center of the front panel. The drawer dimensions shall be as follows:

MINIMUM

DRAWER SIZE FRONT PANEL HEIGHT INSIDE HEIGHT INSIDE WIDTH INSIDE LENGTH

1 3.47 inches 3.00 inches 16.0 inches 18.0 inches

2 6.97 inches 6.5 inches 16.0 inches 18.0 inches

When installed in the rack frame, no portion of the…