ATTENUATOR
TEMPERATURE VARIABLE
DATA SHEET
SHEET 1 OF 3
1011625
PART SERIES: 42WTVAXX00NXX
FEATURES
EN 13-3886
Revision 3
APPLICATIONS
Temperature Variable
Coaxial
Compact Package
Wideband Performance
Passive Compensation
Rugged Construction
MIL-PRF-3933
Mobile Networks
Instrumentation
Power Amplifiers
Base Stations
Remote Radio Head
Satellite Communications
Military Radio
GENERAL DESCRIPTION
Florida RF Labs 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:
42WTVAXX00NXX
Temperature Coefficient of
Attenuation (10-3 dB/dB/°C)
Attenuation (dB)
Negative
TCA
SPECIFICATIONS
1.0 ELECTRICAL
Nominal Impedance:
50 ohms
Frequency Range:
DC – 20 GHz
Power Rating:
200 milliwatts CW
VSWR:
1.25:1 Typical; 1.40:1 Max
Attenuation:
Attenuation Accuracy:
Temperature Coefficient:
2 – 6 dB in one dB increments
±0.5 dB @ DC – 15 GHz; ±1.0 dB @ 15 - 20 GHz
-.003, -.005 and -.007 dB/dB/°C
Frequency
(GHz)
DC - 3.0
3.0 - 8.0
NOTE 1
8.0 - 20.0
NOTE 1
Temperature Coefficient of Attenuation
(dB/dB/ºC)
42WTVAXX00N03
42WTVAXX00N05
42WTVAXX00N07
-0.003
-0.005
-0.007
-0.003
-0.005
-0.005
-0.003
-0.003
-0.003
NOTE 1: Temperature coefficient of attenuation for this frequency range is provided for reference only. Form 423F114
Rev-
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
SHEET 2 OF 3
1011625
PART SERIES: 42WTVAXX00NXX
EN 13-3886
Revision 3
2.0 ENVIRONMENTAL
Operating Temperature:
-55˚C to +150˚C
Non-operating Temperature:
-65˚C to +150˚C
Temperature Coefficient:
±0.001 db/dB/°C
3.0 MARKING
Unit Marking:
FRFL, 42WTVA, Attenuation and TCA (xxNxx), 20 GHz
4.0 QUALITY ASSURANCE
1.
2.
3.
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 20°C over the temperature range of
-55°C to +125°C; Calculate using linear regression, the slope of the curve.
Calculate TCA using the following formula:
4.
@25°
Inspection in accordance with 824W170 and 824F036, for commercial grade product.
5.0 PACKAGING
Standard Packaging:
Tube
6.0 MECHANICAL
Body and Nut Material:
Passivated Stainless Steel
Body and Nut Finish:
Passivated Stainless Steel
Center Contact Material:
Beryllium Copper
Center Contact Finish:
Gold
Dielectric:
PTFE
Resistive Element:
Thick Film
SMA Interface:
Female/Male
Torque:
7.0 – 8.0 lbf.in
Metric Dimensions:
Provided for reference only
100%
RATED
50%
POWER
0%
-55
SAFE OPERATING AREA
0
100
125
150
TEMPERATURE IN °C
Form 423F114
Rev-
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: 42WTVAXX00NXX
TOLERANCE: X.XX = ± 0.01
Form 423F114
Rev-
EN 13-3886
Revision 3
.28±.05
.87±.05
[22.10±1.27]
Unless Otherwise Specified:
SHEET 3 OF 3
1011625
[7.14±1.3]
X.XXX = ± 0.005
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