TITLE:
PART IDENTIFIER:
SPECIFICATION CONTROL DRAWING
SHIFT
(NEG)
-.003
-.004
-.005
-.006
-.007
-.009
DB VALUE
1, 2, 3, 4, 5, 6, 8
1, 2, 3, 4, 6
1, 2, 3, 4, 5, 6
2, 3, 4
2, 3, 4, 5, 6
3, 6
FREQUENCY
RANGE
DC – 18 GHZ
DC – 12.4 GHZ
DESCRIPTION:
TEMPERATURE VARIABLE CHIP ATTENUATOR WITH HIGH RELIABILITY TESTING.
NOTE:
SINGLE LOT AND DATE CODE AVAILABLE UPON REQUEST.
ASSEMBLY DWG:
N/A
1.0
SPECIFICATIONS:
1.1
ELECTRICAL:
1.1.1
IMPEDANCE: 50 OHMS NOMINAL.
1.1.2
OPERATING FREQUENCY RANGE: DC - 12.4GHZ.
1.1.3
ATTENUATION VALUES AVAILABLE: SEE TABLE ABOVE.
1.1.4
ATTENUATION ACCURACY AT 25°C:
±0.5DB
@ 1 GHZ.
1.1.5
VSWR: 1.30:1 MAX. @ 1GHZ.
1.1.6
INPUT POWER: 200 MILLIWATTS CW.
1.1.6.1 FULL RATED POWER TO 125°C, DERATED LINEARLY TO 0 WATTS AT 150°C.
1.1.7
TEMPERATURE COEFFICIENT OVER OPERATING TEMPERATURE RANGE:
SEE TABLE ABOVE, TEMPERATURE COEFFICIENT TOLERANCE: ±0.001 DB/DB/°C.
1.2
MECHANICAL:
1.2.1
OUTLINE DWG: SEE SHEET 3.
1.2.2
WORKMANSHIP: PER MIL-PRF-55342.
1.3
ENVIRONMENTAL:
1.3.1
OPERATING TEMPERATURE RANGE: -55°C TO +150°C
1.4
ELECTROSTATIC DISCHARGE CONTROL: PER MIL-STD-1686.
UNIT MARKING:
DB VALUE (X), DIRECTION OF SHIFT (N) AND TCA SHIFT (X).
LEGIBILITY AND PERMANENCY PER MIL-STD-130.
2.0
3.0
QUALITY ASSURANCE:
3.1
VERIFY 100% VISUAL PRE-CAP INSPECTION PERFORMED PER TP-8965.
3.2
PERFOM GROUP A, B AND/OR C TESTING AS INDICATED BY THE PART NUMBER PER TP-8965.
3.2.1
GROUP A TESTING
3.2.1.1 VISUAL AND MECHNICAL INSPECTION PER SHEET 3.
3.2.1.2 INITIAL RF MEASUREMENTS – MEASURE AND RECORD VSWR @ 1 GHZ AND ATTENUATION AT
DC (0 GHZ) AND 1.0 GHZ.
3.2.1.3 THERMAL SHOCK – 10 CYCLES FROM -55°C TO +125°C.
3.2.1.4 AFTER THERMAL SHOCK RF MEASUREMENTS - MEASURE AND RECORD VSWR @ 1 GHZ AND
ATTENUATION AT DC (0 GHZ) AND 1.0 GHZ.
3.2.1.5 BURN-IN – DURATION OF 168 HRS AT INPUT POWER SEE 1.1.6.
3.2.1.6 SUB-GROUP 1 (3 SAMPLES)
3.2.1.6.1 TCA MEASUREMENT - MEASURE AND RECORD ATTENUATION AT DC EVERY 20°C
FROM -55°C TO +125°C PER 2.5.1 OF TP-8965.
3.2.1.6.2 CALCULATE, USING LINEAR REGRESSION, THE SLOPE OF THE CURVE.
ENG
CC
PUR
MFG
QA
PLAN
SM
EMC TECHNOLOGY
8851 SW OLD KANSAS AVE.
STUART, FL 34997
CAGE CODE # 24602
CHANGE NOTICE
EN 04-E033
DWG #
REV LVL
SHEET
1009785000
-
1
OF
3
CALCULATE TCA USING THE FOLLOWING FORMULA:
SLOPE
.
TCA =
ATTENUATION @ 25°C
3.3.1.6.3 ACCEPTANCE LIMITS: NOMINAL TCA +/-0.001 dB/dB/°C.
3.2.2
GROUP B TESTING (7 SAMPLES APPROVED FROM GROUP A).
3.2.2.1 SUB-GROUP 1 (3 SAMPLES)
3.2.2.1.1 LOW TEMPERATURE OPERATION
3.2.2.1.1.1
USE FINAL ELECTRICAL MEASUREMENTS FROM GROUP A.
3.2.2.1.1.2
DISSIPATE LOW POWER FOR A DURATION OF 45 +5/-0 MINUTES. ALLOW
TO STABILIZE AT 25°C FOR 24 HOURS.
3.2.2.1.2 AFTER LOW TEMPERATURE ELECTRICAL MEASUREMENTS - MEASURE AND RECORD
VSWR @ 1 GHZ AND ATTENUATION AT DC (0 GHZ) AND 1.0 GHZ.
3.2.2.1.3 HIGH TEMPERATURE BAKE – +125°C +/- 5°C FOR 100 HRS THEN STABILIZE AT 25°C
FOR 4 HRS.
3.2.2.1.3.1
VISUAL EXAMINATION - INSPECT FOR EVIDENCE OF MECHANCIAL
DAMAGE.
3.2.2.1.4 AFTER HIGH TEMPERATURE BAKE ELECTRICAL TEST - MEASURE AND RECORD VSWR
@ 1 GHZ AND ATTENUATION AT DC (0 GHZ) AND 1.0 GHZ.
3.2.2.1.5 TERMINATION ADHESION
-
SOLDER A WIRE AND PULL WITH 15 GRAMS
PERPENDICULAR TO AND AWAY FROM THE SURFACE AREA.
3.2.2.1.5.1
VISUAL INSPECTION – THERE SHALL BE NO SEPARATION OF MATERIAL.
3.2.2.1.6 TERMINATION SOLDERABILITY IMMERSE EACH SAMPLE 5 SECONDS IN A SOLDER
POT HELD AT 220°C +/- 5°C USING 60/40 OR 63/37 TIN-LEAD COMPOSITION.
3.2.2.2 SUB-GROUP 2 (4 SAMPLES)
3.2.2.2.1 INITIAL RF MEASUREMENTS - USE FINAL ELECTRICAL MEASUREMENTS FROM GROUP
A.
3.2.2.2.2 LIFE TEST – OPERATE SAMPLES UNITS FOR 1000 HRS AT 70°C AT INPUT POWER
PER 1.1.6
.
ELECTRICAL MEASUREMENTS SHALL BE MADE AT 250 +48/-0 HRS, 500
+48/-0 HRS, AND 1000 +48/-0 HRS.
3.2.2.2.3 FINAL RF MEASUREMENTS - MEASURE AND RECORD VSWR @ 1 GHZ AND
ATTENUATION AT DC (0 GHZ) AND 1.0 GHZ.
GROUP C (QCI TESTING 4 SAMPLES APPROVED FROM GROUP A).
3.2.3.1 LOAD LIFE TEST – BURN-IN UNITS AT 70°C WITH INPUT POWER (SEE 1.1.6) FOR A DURATION OF
1000 HOURS (1½ HOURS ON, ½ HOUR OFF). MEASURE AND RECORD ELECTRICALS AT 0, 250,
500, AND 1000 HOURS.
3.2.3.2 AFTER LOAD LIFE RF MEASUREMENTS – MEASURE AND RECORD VSWR AND ATTENUATION AT
1 GHZ AT 25°C. TEST ACCEPTABLE LIMITS PER 4.2.1 OF TP-8965.
3.2.3
3.4
TEST DATA REQUIREMENTS:
3.4.1
TEST DATA REQUIRED FOR CUSTOMER - SEE PARAGRAPH 5.0 OF TP-8965.
3.4.2
DATA RETENTION - 24 MONTHS.
3.4.3
TEST SAMPLES REQUIRED FOR CUSTOMER - SEE PARAGRAPH 5.0 OF TP-8965.
STANDARD PACK PER MC0023. (SERIALIZED WAFFLE PACK)
4.0
PACKAGING:
EMC TECHNOLOGY
8851 SW OLD KANSAS AVE.
STUART, FL 34997
CAGE CODE # 24602
CHANGE NOTICE
EN 03-268
DWG #
REV LVL
SHEET
1009785000
-
2
OF
3
