1 Drawing.pdf

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SIZE CAGE CODE DWG NO. REV

A 0WY55 2200689 B

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UNLESS OTHERWISE SPECIFIED

DIMENSIONS ARE IN INCHES

TOLERANCES ON:

WSR-88D RADAR OPERATIONS CENTER

1313 HALLEY CIRCLE

NORMAN, OKLAHOMA 73069-8480

MILLIMETERS

1 PL

2 PL

ANGLES 2

INCHES

2 PL .02

3 PL .010

NOMENCLATURE

OSCILLATOR, SITE-SPECIFIC, RF GENERATOR

( 4A1A4A1 )

APPROVALS

DWN CLS 231023 RMT LMA 231023

CHK JLM 231023 DOC MAK 231023

ENGR RSS 231023 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

2300167 WSR-88D A 231023 ECP 1038

ECO A10258 INITIAL RELEASE RSS

B 240507 ECP 1038

ECO A10482

REVISED TO ADD MATERIAL AND

COATING INFORMATION NJC

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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. WIRING: D-TYPE, E SHELL SIZE, 5S1 PIN LAYOUT, CANNON COMBO D CONNECTOR; DESCRIPTION PER

TABLE I. SEE FIGURE 3.

TABLE I

PIN DESCRIPTION WIRE SIZE NOTES

1 +15 VDC #20

2 OUTPUT

FAULT

#20

3 -18 VDC #20

4 GND

#20 CHASSIS AT

GROUND (GND)

POTENTIAL

A1 OSC OUT #8 50 OHM

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

2.2.2. MEASUREMENTS MUST BE WITHIN TOLERANCE WITHIN 5 MINUTES OF POWER APPLICATION.

TABLE III

ELECTRICAL REQUIREMENTS

RANGE NOTES

OSCILLATOR OUTPUT

POWER

+10 +/- 0.5 dBm

OUTPUT IMPEDANCE 50 OHM

OUTPUT FREQUENCY 114.75 TO 133.60 MHz CAN BE ADJUSTABLE (VIA SWITCHES, JUMP, ETC.) OR SET.

THE EQUATION TO CONVERT FROM S-BAND

SITE FREQUENCY TO THIS OSCILLATOR IS:

(SF - 863.2365) / 16 = OSCF

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TABLE III CONT.

RANGE NOTES

OUTPUT FREQUENCY

STABILITY

0.001 PPM/SECOND OR

BETTER

PPM = PARTS-PER-MILLION

FREQUENCY SHOULD NOT CHANGE MORE THAN

0.13 Hz/SECOND

OUTPUT FREQUENCY

ACCURACY

FREQ +/- 0.0005%

OUTPUT FREQUENCY

AGING

FREQ +/- 0.0005% PER

YEAR

OUTPUT FREQUENCY

WAVEFORM

SINEWAVE

OUTPUT JITTER 5 ps MAX AVERAGED OVER 16 PULSES

OUTPUT SPECTRUM

SPURS

-80 dBc MAX SPURS = NON-HARMONICALLY RELATED

OUTPUTS

dBc = DECIBELS RELATIVE TO THE

CARRIER/OUTPUT FREQUENCY

2ND HARMONIC

LEVEL

-35 dBc MAX

3RD HARMONIC

LEVEL

-55 dBc MAX

INPUT VOLTAGES +15 +/- 10% VDC

-18 +/- 10% VDC USED FOR OSCILLATOR HEATER CIRCUITRY.

INPUT CURRENT

DRAW

500 mA MAX +15 VDC INPUT

1000 mA MAX, SETTLING TO 300 mA

MAX AFTER WARM-

UP PERIOD

-18 VDC INPUT. EXPECTED TO LOWER AS

OSCILLATOR REACHES OPTIMAL

TEMPERATURE.

OUTPUT FAULT -300 mV +/- 20 mV VALUE CORRELATES TO OUTPUT POWER

SPECIFICATION. SET INTERNALLY WHILE

MEASURING OUTPUT FAULT REFERENCED TO

GND THROUGH 1000 OHM RESISTOR USING DVM.

2.2. MECHANICAL:

2.2.1. OUTLINE AND DIMENSIONS:

2.2.1.1. OSCILLATOR UNIT (-201): PER FIGURES 1 AND 2

2.2.2. MECHANICAL TESTS:

2.2.2.1. THERMAL SHOCK: 3 CYCLES FROM -55°C (-67°F) TO +125°C (257°F)

2.2.2.2. BAKE: +100°C (212°F) FOR 12 HOURS

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2.2.2.3. BURN-IN: 12 HOURS WITH RATED SUPPLY VOLTAGE APPLIED AT +25 +/- 5°C (77°F +/- 9°F)

2.2.2.4. MATERIAL: 6061 ALUMINUM ALLOY PER ASTM B209 WITH NICKEL PLATING PER MIL-C-26074

2.2.2.5. 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: -40°C (-40°F) TO 85°C (185°F).

2.3.1.2. NON-OPERATING TEMPERATURE: -55°C (-67°F) TO 125°C (257°F).

2.3.1.3. OPERATING HUMIDITY: 15 TO 100%.

2.3.1.4. NON-OPERATING HUMIDITY: 15 TO 100%.

2.3.2. ALTITUDE: UP TO 3300 METERS (10,826 FEET) ABOVE MEAN SEA LEVEL.

2.3.3. MECHANICAL SHOCK AND VIBRATION:

2.3.3.1. 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 PERFORMANCE CAPABILITY BY AIR TRANSPORTATION AT ALTITUDES OF UP TO

15,500 METERS (50,000 FEET) IN NON-PRESSURIZED COMPARTMENTS.

2.4. RELIABILITY (MTBF)

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.

3. PROCURING AGENCY:

3.1.1. 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)

TBD, TBD

PART NO.: PER TABLE II

TABLE II

DASH

NO. ITEM MFR.

PART NO.

NOTE

NO.

-201 OSCILLATOR, RF GENERATOR TBD SEE NOTE 1

NOTES:

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1. THE DASH 201 CONFIGURATION IS USED FOR PROCUREMENT.

6. FIGURES AND DIAGRAMS

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