ATTENUATOR
TEMPERATURE VARIABLE
DATA SHEET
FEATURES
Temperature Variable
Compact Package
Wideband Performance
Passive Gain Compensation
Rugged Construction
MIL-PRF-3933
PART SERIES: AN7-XNXF
APPLICATIONS
Power Amplifiers
Instrumentation
Mobile Networks
Point-to-Point Radios
Satellite Communications
Military Radios
Up/Down Converters
SHEET 1 OF 3
Dwg 1011505
EN 18-0239
Revision L
GENERAL DESCRIPTION
Smiths Interconnect 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:
AN7-XNXF
X-Temperature Coefficient of Attenuation 1 x 10
-3
dB/dB/°C
N-Attenuation Shift Negative
X-dB Value
SPECIFICATIONS
1.0 ELECTRICAL
Nominal Impedance:
Frequency Range:
Attenuation Values Available:
Attenuation Accuracy:
VSWR:
Input Power
Temperature Coefficient Tolerance:
50 ohms
DC – 6.0 GHz
1-10 dB in 1 dB increments
@ 25ºC: ± 0.5 dB @ 1 GHz
1.30:1 Max @ 1 GHz
200 Milliwatts Full Rated Power To 125°C, Derated Linearly to 0 Watts at 150°C.
± 0.001 dB/dB/ºC
Temperature Coefficient of Attenuation: -0.003, -0.004, -0.005, -0.006, -0.007, -0.009, -0.011 dB/dB/ºC
2.0 ENVIRONMENTAL
Operating Temperature:
-55˚C to +150˚C
3.0 MARKING
Unit Marking:
dB Value (X), Direction of Shift (N) 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).
Form 423F119
Cage Codes: 24602 / 2Y194
www.smithsinterconnect.com
+1 772-286-9300
AS 9100, ISO 9001 and 14001 Certified
Specifications are Subject to Change Without Notice
ATTENUATOR
TEMPERATURE VARIABLE
DATA SHEET
PART SERIES: AN7-XNXF
SHEET 2 OF 3
Dwg 1011505
EN 18-0239
Revision L
Select three (3) units from lot and measure DCA every 20ºC 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:
=
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
Thick Film, Lead Free Plating
Per MIL-PRF-55342
Thick Film
Provided for reference only
2N6
Unless Otherwise Specified:
TOLERANCE: X.XXX = ± 0.005
Form 423F119
Cage Codes: 24602 / 2Y194
www.smithsinterconnect.com
+1 772-286-9300
AS 9100, ISO 9001 and 14001 Certified
Specifications are Subject to Change Without Notice
ATTENUATOR
TEMPERATURE VARIABLE
DATA SHEET
PART SERIES: AN7-XNXF
SHEET 3 OF 3
Dwg 1011505
EN 18-0239
Revision L
7.0 SUGGESTED MOUNTING FOOTPRINT
Inches
Part Number
AN7-XNXF
A
B
C
D
S
S2
W
0.028 0.018 0.028 0.028 0.024 0.013 0.083
A
0.71
B
0.46
C
0.71
mm
D
0.71
S
0.61
S2
0.33
W
2.11
Form 423F119
Cage Codes: 24602 / 2Y194
www.smithsinterconnect.com
+1 772-286-9300
AS 9100, ISO 9001 and 14001 Certified
Specifications are Subject to Change Without Notice
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