ATTENUATOR
TEMPERATURE VARIABLE
DATA SHEET
FEATURES
Temperature Variable
Compact Package
Wideband Performance
Passive Gain Compensation
Rugged Construction
MIL-PRF-3933
PART SERIES: TVAXX00XXXF
APPLICATIONS
Power Amplifiers
Instrumentation
Mobile Networks
Point-to-Point Radios
Satellite Communications
Military Radios
Up/Down Converters
®
SHEET 1 OF 3
Dwg 1010505
EN 16-0736
Revision C
GENERAL DESCRIPTION
EMC Technology is the leading authority in temperature variable attenuators. Thermopad temperature variable attenuators have been a
®
highly reliable passive solution for over temperature gain compensation for more than 20 years. All Thermopad products can be qualified
for high-reliability and space applications.
ORDERING INFORMATION
Part Identifier:
TVAXX00XXXF
XX-Temperature Coefficient of Attenuation 1 x 10
-3
dB/dB/°
C
X-Attenuation Shift Negative or Positive
XX-dB Value
SPECIFICATIONS
1.0 ELECTRICAL
Nominal Impedance:
Frequency Range:
Attenuation Values Available:
Attenuation Accuracy:
VSWR:
Input Power
50 ohms
DC-6 GHz
1-10 dB in 1 dB increments
@ 25ºC: ± 0.5 dB @ 1 GHz
1.30:1 Max @ 1 GHz
Negative Shifting: 2 watts cw.
Positive Shifting: 0.25 watts cw.
Full Rated Power to 125°C, Derated Linearly to 0 watts @ 150°C.
Temperature Coefficient of Attenuation: -0.003, -0.004, -0.005, -0.006, -0.007, and -0.009 dB/dB/ºC
0.003, 0.005, 0.006, 0.007, and 0.008 dB/dB/ºC
Temperature Coefficient Tolerance:
± 0.001 dB/dB/ºC
2.0 ENVIRONMENTAL
Operating Temperature:
-55˚C to +150˚C
3.0 MARKING
Unit Marking:
dB value (XX), direction of shift (N or P) and TCA shift (X).
4.0 QUALITY ASSURANCE
Sample Inspect Per ANSI/ASQC Z1.4 General Inspection, Level II, AQL=1.0.
Visual and Mechanical Examination for Conformance to Outline Drawing Requirements
Sample Inspection (Destructive Testing).
Select three (3) units from lot and measure DCA every 20ºC over the temperature range of
Form 423F119
Cage Codes: 24602 / 2Y194
Specifications are Subject to Change Without Notice
www.emc-rflabs.com • +1 772-286-9300
AS 9100, ISO 9001 and 14001 Certified
ATTENUATOR
TEMPERATURE VARIABLE
DATA SHEET
PART SERIES: TVAXX00XXXF
SHEET 2 OF 3
Dwg 1010505
EN 16-0736
Revision C
-55° to +125° Calculate using linear regression, the slope of the curve.
C
C;
Calculate TCA using the following formula:
=
Inspection in accordance with 824W107
Test Data Requirements:
No Data Required for Customer
Data Retention – 24 Months
@ 25°
5.0 PACKAGING
Standard:
Tape and Reel
6.0 MECHANICAL
Substrate Material:
Terminal Material:
Workmanship
Resistive Element:
Metric Dimensions:
Alumina, MIL-I-10
Thick Film, Lead Free Plating
Per MIL-PRF-55342
Thick Film
Provided for reference only
Unless Otherwise Specified:
TOLERANCE: X.XXX = ± 0.005
Form 423F119
Cage Codes: 24602 / 2Y194
Specifications are Subject to Change Without Notice
www.emc-rflabs.com • +1 772-286-9300
AS 9100, ISO 9001 and 14001 Certified
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