温度补偿衰减器
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ENG
PUR MFG PLAN SM CC QA EMC TECHNOLOGY, INC
CAGE CODE # 24602DWG #10011750001971 OLD CUTHBERT ROAD
CHANGE NOTICE EN 01-446REV LVL Y CHERRY HILL, NJ 08034SHEET 1OF 2
TITLE:SPECIFICATION CONTROL DRAWING
PART IDENTIFIER: TVA XX 00X 0X
X -TEMPERATURE COEFFICIENT OF ATTENUATION 1 X 10-3 DB/DB/°C.
X -ATTENUATION SHIFT NEGATIVE OR POSITIVE.
XX DB VALUE SEE TABLE BELOW.SHIFT
(NEG)
DB VALUE SHIFT (POS)DB VALUE -.003
1, 2, 3, 4, 5, 6, 7, 8, 9, 10.0031, 3, 6-.004
1, 2, 3, 4, 5, 6, 7, 8, 9, 10.0051, 3, 6-.005
1, 2, 3, 4, 5, 6, 7, 8, 9, 10.0061-.006
1, 2, 3, 4, 5, 6, 7, 8, 9, 10.0071, 2, 3, 6-.007
1, 2, 3, 4, 5, 6, 7, 8, 9, 10.0086-.0091, 2, 3, 4, 5, 6DESCRIPTION: : TEMPERATURE VARIABLE CHIP ATTENUATOR.
ASSEMBLY DWG: 1900774
1.0 SPECIFICATIONS:
1.1ELECTRICAL:
1.1.1IMPEDANCE: 50 OHMS NOMINAL
1.1.2 OPERATING FREQUENCY RANGE: DC - 6GHZ.
1.1.3 ATTENUATION VALUE: SEE TABLE ABOVE.
1.1.4 ATTENUATION ACCURACY AT 25°C: ±0.5DB @ 1 GHZ.
1.1.5VSWR: 1.30:1 MAX. @ 1GHZ.
1.1.6INPUT POWER:NEGATIVE SHIFTING: 2 WATTS CW.
POSITIVE SHIFTING: 0.25 WATTS CW.
1.1.6.1FULL RATED POWER TO 125°C, DERATED LINEARLY TO 0 WATTS AT 150°C.
1.1.7TEMPERATURE COEFFICIENT OVER OPERATING TEMPERATURE RANGE:
SEE TABLE ABOVE, TEMPERATURE COEFFICIENT TOLERANCE: ±0.001 DB/DB/°C.
1.2MECHANICAL:
1.2.1 OUTLINE DWG: SEE SHEET 2.
1.2.2WORKMANSHIP: PER MIL-PRF-55342.
1.3ENVIRONMENTAL:
1.3.1 OPERATING TEMPERATURE RANGE: -55°C TO +150°C.
1.4 ELECTROSTATIC DISCHARGE CONTROL: PER MIL-STD-1686.
2.0
UNIT MARKING:DB VALUE (XX), DIRECTION OF SHIFT (N OR P) AND TCA SHIFT (X). LEGIBILITY AND PERMANENCY PER MIL-STD-130.
3.0 QUALITY ASSURANCE:
3.1SAMPLE INSPECT PER ANSI/ASQC Z1.4 GENERAL INSPECTION, LEVEL II, AQL = 1.0.
3.1.1 VISUAL AND MECHANICAL EXAMINATION FOR CONFORMANCE TO OUTLINE DRAWING REQUIREMENTS.
3.2SAMPLE INSPECTION (DESTRUCTIVE TESTING).
3.2.1SELECT THREE (3) UNITS FROM LOT AND MEASURE DCA EVERY 20°C OVER THE TEMPERATURE RANGE
-55°C TO +125°C.
3.2.1.1 CALCULATE, USING LINEAR REGRESSION, THE SLOPE OF THE CURVE.
3.2.1.2 CALCULATE TCA USING THE FOLLOWING FORMULA:
TCA = SLOPE .
ATTENUATION @ 25°C
3.2.1.3 ACCEPTANCE LIMITS: PER 1.1.7.
3.3
INSPECTION IN ACCORDANCE WITH QA0006 AND FORM0357 FOR COMMERCIAL GRADE PRODUCT.3.4
TEST DATA REQUIREMENTS:3.4.1NO TEST DATA REQUIRED FOR CUSTOMER.
3.4.2DATA RETENTION - 24 MONTHS.4.0PACKAGING:
STANDARD PACK PER MC0023.