TITLE:
SPECIFICATION CONTROL DRAWING
X TEMPERATURE COEFFICIENT OF ATTENUATION 1 X 10-3 DB/DB/°C.
SEE TABLE BELOW
ATTENUATION SHIFT NEGATIVE
X DB VALUE, SEE TABLE BELOW.
TCA
-.007
-.009
-.011
DB VALUE
2, 3, 4
2
1.5
PART IDENTIFIER:
CTVA0X00N0XW3
DESCRIPTION:
: TEMPERATURE VARIABLE CHIP ATTENUATOR.
ASSEMBLY DWG:
1901414
1.0
SPECIFICATIONS:
1.1
ELECTRICAL:
1.1.1
IMPEDANCE: 75 OHMS.
1.1.2
OPERATING FREQUENCY RANGE: DC - 2GHZ.
1.1.3
ATTENUATION VALUE: SEE CHART ABOVE.
1.1.4
ATTENUATION ACCURACY AT 25°C:
±0.5DB
@ 1 GHZ .
1.1.5
VSWR: 1:1 @ DC - 500 MHZ, 1.15 @ 500 - 1000 MHZ, 1.25:1 @ 1000 - 2000 MHZ.
1.1.6
INPUT POWER:
NEGATIVE SHIFTING: 2 WATTS 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 2.
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) [ADDING “R” DENOTES DECIMAL POINT, IF APPLICABLE, e.g. 1R5=1.5 dB.], DIRECTION OF
SHIFT (N) AND TCA SHIFT (X).
LEGIBILITY AND PERMANENCY PER MIL-STD-130.
2.0
3.0
QUALITY ASSURANCE:
3.1
SAMPLE 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.
3.2
SAMPLE INSPECTION (DESTRUCTIVE TESTING).
3.2.1
SELECT 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.
PERFORM INSPECTION IN ACCORDANCE WITH QA0006 AND FORM0357 FOR COMMERCIAL GRADE PRODUCT.
TEST DATA REQUIREMENTS:
3.4.1
NO TEST DATA REQUIRED FOR CUSTOMER.
3.4.2
DATA RETENTION - 12 MONTHS
STANDARD PACKING PER MC0023.
3.3
3.4
4.0
PACKAGING:
ENG
CC
PUR
MFG
QA
PLAN
SM
EMC TECHNOLOGY, INC
1971 OLD CUTHBERT ROAD
CHERRY HILL, NJ 08034
CAGE CODE # 24602
CHANGE NOTICE
EN 02-090
DWG #
REV LVL
SHEET
1009075000
C
1
OF
2