5305 Spectrum Drive, Frederick, MD 21703-7362 sTEL: 301-846-9222, 800-638-2048 sFax: 301-846-9116
web: www.aeroflex.com/weinschel semail: weinschel-sales@aeroflex.com
47
Revision Date: 10/12/2011
Fixed Coaxial Attenuators
NOTE:
1. All dimensions are given in mm (inches) and are maximum, unless
otherwise specified.
2. Unit available with RoHS compliant materials, specify when ordering.
MODEL NUMBER DESCRIPTION:
Example:
72 - XX -XX*
Basic
Model
Number
Attenuation
Value (dB)
Connector Options
1st digit is J1 side
2nd digit is J2 side
POWER RATING 50 watts average (bi-directional),
1 kilowatts peak (5 μsec pulse width; 0.25 % duty cycle)
with case temperature held within 100°C maximum with
appropriate conductive heat sink.
POWER COEFFICIENT: <0.0005 dB/dB/watt
TEMPERATURE COEFFICIENT: <0.0004 dB/dB/°C
Features
oCompact Construction - Lowest size/power ratio.
oPrecision Connectors with high temperature
support beads.
oDesigned to meet environmental requirements of
MIL-DTL-3933.
oWireless Applications - Optimized for use in the
communications bands.
Specifications
NOMINAL IMPEDANCE: 50 Ω
FREQUENCY RANGE: dc to 4.0 GHz
1.00
1.10
1.20
1.30
0.05 0.55 1.05 1.55 2.05 2.55 3.05 3.55
Specification
Typical SWR of a 72-10-34
-11.00
-10.50
-10.00
-9.50
-9.00
0.05 0.55 1.05 1.55 2.05 2.55 3.05 3.55
Specification Limit
Specification Limit
Typical Attenuation Accuracy of a 72-10-34
Model 72 dc to 4.0 GHz
Medium Power Fixed Coaxial Attenuator 50 Watts
Conduction Cooled, Bi-Directional Design!
Frequency (GHz) SWR
dc - 4 1.20
MAXIMUM SWR:
Nominal ATTN (dB) Deviation (dB)
3, 6, 10, 20, 30, 40 + 0.70
MAXIMUM DEVIATION OVER FREQUENCY:
Connector DIM A
N Male 22.9 (0.90)
N Female 15.0 (0.59)
2.92mm, Male 14.0 (0.55)
2.92mm, Female 12.7 (0.50)
TEMPERATURE RANGE: -55°C to 100°C (case)
TEST DATA: Insertion Loss and SWR Testing performed
across frequency range. Test data available at additional
cost.
CONNECTORS: Type N connectors per MIL-STD-348
interface dimensions - mate nondestructively with MIL-C-
39012 connectors. 2.92mm connectors mate with SMA,
3.5mm, Type K and other 2.92mm connectors.
Connector Options Type/Description
1 2.92mm, Female
2 2.92mm, Male
3 Type N, Female
4 Type N, Male
CONSTRUCTION: Aluminum body, stainless steel
connectors; gold plated beryllium copper contacts.
WEIGHT: 170 g (6 oz.) maximum
PHYSICAL DIMENSIONS:
RoHS
www.argosysales.com
800-542-4457
EXPRESS
*Unit is bi-directional & full power may be applied to either J1 or J2.
