SCAT_4291-NRL_Purchase_Description.pdf

05 December 2017

NRL 5524

PURCHASE DESCRIPTION

Pulse Frequency Counter

Solicitation No: SPRMM1-18-R-HA33

SCAT: 4291

1.0 GENERAL This Performance Description (PD) identifies the requirements for a microwave pulse frequency counter, used to support NAVSEA prime equipment/system’s maintenance. Measurement and physical performance requirements are detailed in the following paragraphs.

2.0 CLASSIFICATION In accordance with MIL-PRF-28800F (paragraph 1.2), the equipment shall be designated as Class 3. Class 3 equipment is designed for operational environments where conditions are routinely encountered in a diverse, controlled climate. Examples include test equipment for bench-top, rack-mount and occasional portable use in diverse, environmentally controlled locations.

3.0 OPERATIONAL REQUIREMENTS The specifications provided below are the minimum requirements and accuracies that will meet the Government's need. The microwave pulse frequency counter shall at least meet these requirements and accuracies and may provide better performance.

3.1 Frequency Characteristics

3.1.1 Range: 500MHz to 18GHz utilizing a single input channel.

3.1.2 Frequency accuracy: <22kHz total error at max frequency with a pulse width of ³ 500 nsec.

3.1.3 Pulse width (PW) range: 100ns to 1s

3.1.4 Pulse repetition frequency (PRF) range: 20Hz to 1MHz

3.2 Input Characteristics:

3.2.1 Range: -20dBm to +7dBm

3.2.2 Sensitivity: -20dBm

3.2.3 Impedance: 50 Ohms nominal

3.2.4 Maximum input: +7 dBm

3.2.5 Damage level: +25dBm

3.3 Time Base Characteristics

3.3.1 Internal Reference:

3.3.1.1 Frequency: 10 MHz.

3.3.1.2 Aging Rate: < 5 x 10-10 per day.

3.3.1.3 Temperature Stability: < 5 x 10-9 over the temperature range (0ºC to 50°C).

3.3.2 External Reference:

3.3.2.1 Output:

3.3.2.2 Frequency: 10 MHz.

3.3.2.3 Amplitude: > 0.35 Vrms into 50 Ohms.

3.3.2.4 Connector: BNC (F).

3.3.3 Input:

3.3.3.1 Frequency: 10 MHz.

3.3.3.2 Amplitude: > 0.35 Vrms into 50 Ohms.

3.3.3.3 Connector: BNC (F).

3.4 Functional Characteristics:

3.4.1 Hold: The unit shall provide a means of holding the displayed reading indefinitely, independent of the gate time or resolution control.

3.4.2 Reset: A manual reset control that initiates a new measurement cycle shall be provided.

3.4.3 Self-check: A self-check function that verifies operation of the frequency measurement mode shall be provided.

3.4.4 Gate lamp: Front panel indicator that shows a gate action.

3.4.5 Triggering: An external trigger input with the ability to select rising or falling edge.

4.0 GENERAL REQUIREMENTS

4.1 Environmental

4.1.1 Operating temperature: 0°C to +50°C

4.1.2 Non-operating temperature: -40°C to +71°C

4.1.3 Operating altitude: 0-2000m.

4.2 Power Source MIL-PRF-28800F nominal power source requirements are invoked.

4.3 Physical Features

4.3.1 Weight: 13.6 kg (30.0 lb) maximum.

4.3.2 Dimensions (HxWxD): 4” x 17” x 15.7” (101.6mm x 431.8mm x 398.8mm) nominal.

4.4 Battery Restrictions Per MIL-PRF-28800F, Lithium and Mercury batteries are prohibited without prior authorization. If equipment qualifies for one or both of the exceptions stated below, then the offeror shall submit the required information at the time of submission of proposals. If equipment does not qualify for an exception, then a request for approval for the use of Lithium and Mercury batteries shall be submitted with production lot delivery, after contract award. Approval shall apply only to the specific model proposed.

Exception 1: Per NAVSEA S9310-AQ-SAF-010, the use of non-rechargeable lithium coin cell batteries meeting the following criteria is approved for all uses and does not require individual testing and review by the Naval Ordnance Safety and Security Activity (NOSSA).

- Unmodified, commercially available off-the-shelf (COTS) item;

- Used in single-cell configuration;

- Maximum nominal output of 3 Volts;

- Maximum rated capacity of 1 Ah.

The coin cell manufacturer, part number, nominal voltage, and rated capacity shall be provided at the time of submission of proposals.

Exception 2: Per NAVSEA S9310-AQ-SAF-010, the use of COTS electronics and equipment powered by lithium ion rechargeable (secondary) batteries meeting the following criteria is approved for all uses and does not require individual testing and review by NOSSA.

- Unmodified, COTS battery;

- Underwriters Laboratories (UL) listed;

- Used in the device as recommended by the manufacturer. Modifications to the devices may only be made in accordance with the manufacturer’s recommendations; e.g., addition of memory;

- Recharged only by devices expressly designed for recharge of the specific battery in use;

- No more than four cells in series (less than or equal to 18-Volt output);

- Rated for no more than 100 Watt-hours, as listed in the manufacturer’s specification or calculated by multiplying the capacity in Ah by the maximum working (nominal performance) voltage.

The lithium ion rechargeable cell manufacturer, part number, configuration (number of cells in series), nominal voltage and rated capacity shall be provided at the time of submission of proposals.

4.5 Remote Operation The unit shall be capable of remote operation through an

ANSI/IEEE-488 interface. Wireless communication interfaces shall be disabled.

4.6 Technical Manual The maintenance philosophy for this unit shall be level 2 (per MIL- PRF-28800F) and require maintenance to the module level of the unit. The technical manual shall conform to the level 2 maintenance philosophy. This level would be used for most equipment where maintenance and repair is an expected phase of equipment lifecycle. Board level maintenance and troubleshooting information is required. A Use and Installation manual (Operator’s Manual) shall be provided separately. Maintenance and Servicing manual shall be provided to two levels of maintenance, unit operational verification level and the module level.

Information required for performance verification shall include:

• Instructions to verify equipment performance,

• List the equipment required for verification tests,

• Step-by-step instructions for test connections,

• Acceptable result criteria,

• Calibration information,

• Self-test routines.

Maintenance information shall include:

• Parts lists to the component level,

• Schematics and component layout drawings,

• Block and schematic diagrams.

• List of required test equipment and connection diagrams, and

• Sequential instructions for disassembly, repair, replacement, and reassembly shall be provided.

• Board level maintenance and troubleshooting information,

• Step-by-step instructions for troubleshooting and fault isolation,

• Expected signal levels,

• Test data sheets will be included, and as required,

• The instructions will define localizing a defective circuit card.

Parts lists shall include:

• Parts lists shall be shown on illustrations or a separate listing that includes an index or reference to other illustrations.

• Part number, cage code, and generic description.

The technical manual shall be provided in both printed and electronic formats.

The printed format shall be otherwise normally provided. The electronic format shall be in Portable Document Format (PDF) - ISO 32000-1:2008. Two separate CD/DVDs are required, one shall contain the Use and Installation manual and one shall contain the Maintenance and Service manual.

The statement of copyright release:

“REPRODUCTION AND DISTRIBUTION OF THIS TECHNICAL MANUAL IS

AUTHORIZED FOR UNITED STATES GOVERNMENT PURPOSES.”

shall be printed in the first two pages of each technical manual and on the surface of the CD/DVD supplied.

4.7 Training materials The equipment will be provided with basic operation and maintenance training. Such material can be provided on non-volatile electronic medium at a minimum (CD, or DVD), and shall be accessible using freeware such as Adobe Reader® or similar. Flash drives (volatile memory medium) shall not be included with the equipment.

4.8 Calibration: Calibration shall be in accordance with NAVSEA TMDE Program

Policy Example: The calibration interval shall be 12 months minimum. The equipment shall be within 85% End-of-period (EOP) reliability target (meaning at the end of the interval, a minimum of 85 percent of the units shall remain in tolerance).

4.9 Source Code: As required, any electronic or software codes necessary to communicate with, modify or provide alignment/realignment internal operating parameters or impose calibration correction factors on any proposed instrument model/modules shall be provided to the Government (at no cost).

4.10 Additional Requirements

4.10.1 Human Readable Identification Labeling:

4.10.1.1 Equipment: Per MIL-PRF-28800F, a human readable label shall be provided for all production lot units conforming with MIL-STD-130N and permanently affixed on the equipment in an easily readable location. Required fields on the label are; CAGE, part number, and serial number. Size of the label shall conform to the size of the equipment.

4.10.1.2 Case labeling: When a hard transit case is required, a human readable metal plate per MIL-PRF-28800F shall be provided for all production lot units conforming with MIL-STD-130N and permanently affixed to the front of the transit case. Required fields on the label are; CAGE, part number, and serial number. Size of the label shall conform to the size of the case. Pressure sensitive adhesive transfer tape is required to hold the plate to the hard transit case such as 3M™ 9472LE. When a soft transit case is required, labeling with permanent placement such as a metal plate affixed with rivets, screws or adhesives shall be provided.

4.10.2 Shipping container: For production lot units the package or carton containing the equipment for shipment shall be marked per MIL-STD-129P.

4.10.3 Other Additional Requirements: Shall be specified in the CDRL of the solicitation.