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This is a Vendor Item Control Drawing (VICD) for an X14 Multiplier Assembly (part number 2200737-201) used in WSR-88D radar systems, issued by the WSR-88D Radar Operations Center in Norman, Oklahoma. The drawing specifies comprehensive technical requirements for a radiofrequency multiplier component that converts a 57.5491 MHz input signal to a 805.6874 MHz output signal with dual outputs.

Electrical specifications include +15 VDC ± 10% power supply with maximum 300mA current draw, RF input power of +10 ± 0.5 dBm at 50 ohms impedance, and dual outputs at J2 (+4 ± 0.5 dBm) and J3 (+0.5 ± 0.5 dBm) with sine wave waveforms. The component must maintain phase noise gain not exceeding 30dB maximum and mean phase noise gain of 25dB maximum, with VSWR limited to 1.5:1. Output spectrum requirements mandate non-harmonic spurs no greater than -70dBc and second-order and higher harmonics no greater than -75dBc at either output. Mechanical specifications require a 6061 aluminum alloy enclosure with nickel-plating corrosion resistance per SAE-AMS-2404G, measuring 7.938 inches in length. Environmental operating conditions span -40°C to +85°C with 15-95% humidity tolerance and non-operating conditions from -55°C to +125°C. Reliability requirements specify a minimum mean-time-between-failures (MTBF) of 50,000 hours. The drawing includes stress testing requirements including three temperature cycles, 12-hour stabilization bake at 100°C, and 12-hour burn-in at rated voltage. The suggested manufacturer source is listed as TBD with CAGE code TBD, subject to WSR-88D Radar Operations Center first-article qualification and National Reconditioning Center acceptance inspection for any alternative sources meeting specified requirements.

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Text version

CAGE CODE 0WY55 DWG NO. 2200737 SHEET 1 OF 5

SIZE CAGE CODE DWG NO. REV

A 0WY55 2200737 B

SCALE: NONE SHEET 1 OF 5

UNLESS OTHERWISE SPECIFIED

DIMENSIONS ARE IN INCHES

TOLERANCES ON:

WSR-88D RADAR OPERATIONS CENTER

1200 WESTHEIMER DRIVE

NORMAN, OKLAHOMA 73069-8480

MILLIMETERS

1 PL

2 PL

ANGLES 2

INCHES

2 PL .02

3 PL .010

NOMENCLATURE

X14 MULTIPLIER ASSEMBLY ( 4A1A2A1 )

APPROVALS

DWN MDA 251223 RMT LMA 251223

CHK CLS 251223 DOC MDW 251223

ENGR SMH 251223 CM

QA ROC

VENDOR ITEM CONTROL DRAWING

DISTRIBUTION STATEMENT A: APPROVED FOR PUBLIC RELEASE; DISTRIBUTION IS UNLIMITED.

APPLICATION

NHA USED ON LTR DATE ECO ECP REVISION DESCRIPTION APVD

1213634 WSR-88D

A 251223

ECP 1038

ECO A11401

INITIAL RELEASE SMH

B 260414

ECP 1038

ECO A11490

UPDATE TABLE III AND OTHER

REQUIREMENTS

SMH

CAGE CODE 0WY55 DWG NO. 2200737 SHEET 2 OF 5

SCALE: NONE SHEET 2 OF 5

GENERAL NOTES:

1. INTERPRET THIS DRAWING IN ACCORDANCE WITH ASME Y14.100.

1.1. IDENTIFICATION OF ANY SUGGESTED SOURCE OF SUPPLY (MANUFACTURER) CONTAINED IN THIS

SPECIFICATION IS NOT TO BE CONSTRUED AS A GUARANTEE OF PRESENT OR FUTURE AVAILABILITY

AS A SOURCE OF SUPPLY FOR THE ITEM(S).

1.2. THE USE OF A DIFFERENT PART FROM A LISTED SUGGESTED SOURCE OF SUPPLY OR A PART FROM A

NON-LISTED SUGGESTED SOURCE OF SUPPLY WHICH MEETS THE SPECIFICATIONS HEREIN SHALL OCCUR ONLY AFTER REVIEW/CONCURRENCE AND A FIRST ARTICLE QUALIFICATION BY THE WSR- 88D RADAR OPERATIONS CENTER (ROC) AS WELL AS ACCEPTANCE INSPECTION BY THE NATIONAL

RECONDITIONING CENTER (NRC).

2. REQUIREMENTS

2.1. ELECTRICAL:

2.1.1. CONNECTIONS: SEE TABLE I

TABLE I

PORT DESCRIPTION CONNECTOR NOTES

FL1 +15 VDC IN TURRET

FL2 +15 VDC IN TURRET

E1 GROUND TURRET CHASSIS AT GROUND POTENTIAL

E2 GROUND TURRET CHASSIS AT GROUND POTENTIAL

J1 RF POWER INPUT SMA FEMALE 50 OHM AT INPUT FREQUENCY

J2 RF OUTPUT 1 SMA FEMALE 50 OHM AT OUTPUT FREQUENCY

J3 RF OUTPUT 2 SMA FEMALE 50 OHM AT OUTPUT FREQUENCY

2.1.2. MEASURED AT 25 +/- 5°C FOLLOWING INITIAL BAKE, THERMAL SHOCK, AND BURN-IN PER SECTION

2.3.2. MEASUREMENTS MUST BE WITHIN TOLERANCE WITHIN FIVE (5) MINUTES OF POWER

APPLICATION.

CAGE CODE 0WY55 DWG NO. 2200737 SHEET 3 OF 5

SCALE: NONE SHEET 3 OF 5

TABLE III

ELECTRICAL REQUIREMENTS

RANGE NOTES

DC VOLTAGE +15 VDC ± 10%

DC CURRENT DRAW 300mA MAX

INPUT POWER +10 ± 0.5 dBm

INPUT FREQUENCY 57.5491MHz ± 0.0005%

INPUT WAVEFORM SINE WAVE

OUTPUT FREQUENCY 805.6874MHz ± 0.0005% BOTH OUTPUTS

OUTPUT POWER J2 +4 ± 0.5dBm

OUTPUT POWER J3 +0.5 ± 0.5dBm

OUTPUT WAVEFORM SINE WAVE

RF INPUT/OUTPUT

IMPEDANCE

50 OHMs

CHARACTERISTIC

RELATIVE TO OPERATIONAL FREQUENCY

PHASE NOISE GAIN 30dB MAX

IN REFERENCE TO SIGNAL SOURCE PHASE NOISE FROM

10Hz TO 1MHz OFFSET OF SOURCE FREQUENCY

MEAN PHASE NOISE

GAIN

25dB MAX

IN REFERENCE TO MEAN SIGNAL SOURCE PHASE NOISE

FROM 10Hz TO 1MHz OFFSET OF SOURCE FREQUENCY

VSWR 1.5:1 MAX

2.1.3. OUTPUT SPECTRUM REQUIREMENTS

2.1.3.1. NON-HARMONIC SPURS SHALL BE NO GREATER THAN -70dBc AT EITHER OUTPUT.

2.1.3.2. 2ND ORDER AND HIGHER ORDER HARMONICS SHALL BE NO GREATER THAN -75dBc AT EITHER

OUTPUT

2.2. MECHANICAL:

2.2.1. OUTLINE: PER FIGURE 1.

2.2.2. FILTER TUNING SCREWS SHOULD BE 4-40X1.125”. SHORTER SCREWS MAY BE REQUIRED IF SCREW

PROTRUDES MORE THAN 3/8” FROM HOUSING WHEN TUNING IS COMPLETED.

2.2.3. ENCLOSURE MATERIAL: ENCLOSURE TO BE MADE OF 6061 ALUMINUM ALLOY PER ASTM B209.

2.2.4. CORROSION RESISTANCE: EXPOSED SURFACES TO BE COATED WITH HIGHLY CONDUCTIVE

CORROSION RESISTANCE TREATMENT, SUCH AS “NICKEL-PLATING PER SAE-AMS-2404G CLASS 4, GRADE B” OR SUITABLE ALTERNATIVE FOR MATERIAL.

2.2.5. MARKING: MARK PER MIL-STD-130. LOCATE APPROXIMATELY AS SHOWN IN FIGURE DRAWINGS.

2.3. ENVIRONMENTAL:

2.3.1. INDOOR:

2.3.1.1. OPERATING TEMPERATURE: -40ºC (-40ºF) TO +85ºC (185ºF)

2.3.1.2. NON-OPERATING TEMPERATURE: -55ºC (-67ºF) TO +125ºC (257ºF)

2.3.1.3. OPERATING HUMIDITY: 15% TO 95%

CAGE CODE 0WY55 DWG NO. 2200737 SHEET 4 OF 5

SCALE: NONE SHEET 4 OF 5

2.3.1.4. NON-OPERATING HUMIDITY: 15% TO 95%

2.3.1.5. ALTITUDE: UP TO 3300 METERS ABOVE MEAN SEA LEVEL

2.3.2. STRESS TESTS:

2.3.2.1. TEMPERATURE CYCLING: 3 CYCLES FROM -55°C (-67°F) TO +125°C (257°F) PER MIL-STD 883 METHOD

1010.8 TEST CONDITION B.

2.3.2.2. STABILIZATION BAKE: MAINTAIN IN 100°C (212°F) ± 3°C ENVIRONMENT FOR TWELVE (12) HOURS

2.3.2.3. BURN-IN: DEVICE POWERED WITH RATED SUPPLY VOLTAGE FOR TWELVE (12) HOURS AT 25°C ± 5°C

(77 ± 9°F)

2.3.2.4. MECHANICAL SHOCK AND VIBRATION: THE UNIT SHALL BE DESIGNED TO WITHSTAND THE

VIBRATION AND SHOCK ENCOUNTERED DURING TRANSPORTATION BY AIRCRAFT, SHIPS, RAIL, AND TRUCKS. IN ADDITION, THE UNIT SHALL NOT BE DAMAGED OR LOSE PREFORMANCE CAPABILITY BY AIR TRANSPORTATION AT ALTITUDES OF UP TO 15,500 METERS (50,000 FEET) IN NON-PRESSURIZED

COMPARTMENTS

2.4. RELIABILITY

2.4.1. THE MEAN-TIME BETWEEN FAILURES (MTBF) SHALL BE AT LEAST 50,000 HOURS.

2.5. PART IDENTIFICATION:

2.5.1. VENDOR IDENTIFICATION AND VENDOR PART NUMBER TO BE APPLIED BY VENDOR. PART NUMBER

MAY BE APPLIED TO PACKAGING.

2.5.2. SERIAL NUMBER APPLIED AT LOCATIONS INDICATED IN FIGURE I.

3. PROCURING AGENCY:

3.1. THE PROCUREMENT AGENCY RESERVES THE RIGHT TO PERFORM ANY INSPECTION DEEMED

NECESSARY TO BE ASSURED THE PARTS CONFORM TO THE SPECIFIED REQUIREMENTS.

4. THE PART NUMBER IS THE DRAWING NUMBER SUFFIXED WITH THE APPLICABLE DASH NUMBER

SHOWN IN TABLE II.

5. SUGGESTED SOURCE(S) OF SUPPLY (MANUFACTURER(S)):

TBD (CAGE CODE TBD)

PART NO.: PER TABLE II

DASH

NO.

ITEM PART NO.

201 X14 MULTIPLIER ASSEMBLY TBD

CAGE CODE 0WY55 DWG NO. 2200737 SHEET 5 OF 5

SCALE: NONE SHEET 5 OF 5

6. FIGURES AND DIAGRAMS

FIGURE 1

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