Fixed Coaxial Attenuators
Model 72
Medium Power Fixed Coaxial Attenuator
Conduction Cooled, Bi-Directional Design!
EXPRESS
800-542-4457
dc to 4.0 GHz
50 Watts
RoHS
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
1
2
3
4
www.argosysales.com
Features
o
o
o
o
Compact Construction -
Lowest size/power ratio.
Precision Connectors with high temperature
support beads.
Designed to meet environmental requirements of
MIL-DTL-3933.
Wireless Applications
- Optimized for use in the
communications bands.
Type/Description
2.92mm, Female
2.92mm, Male
Type N, Female
Type N, Male
CONSTRUCTION:
Aluminum body, stainless steel
connectors; gold plated beryllium copper contacts.
WEIGHT:
170 g (6 oz.) maximum
PHYSICAL DIMENSIONS:
Specifications
NOMINAL IMPEDANCE:
FREQUENCY RANGE:
50
Ω
dc to 4.0 GHz
MAXIMUM DEVIATION OVER FREQUENCY:
Nominal ATTN (dB)
3, 6, 10, 20, 30, 40
Deviation (dB)
+ 0.70
-9.00
Specification Limit
-9.50
-10.00
-10.50
-11.00
0.05
0.55
1.05
1.55
2.05
2.55
3.05
3.55
Specification Limit
Typical Attenuation Accuracy of a 72-10-34
MAXIMUM SWR:
Connector
N Male
N Female
2.92mm, Male
2.92mm, Female
NOTE:
1. All dimensions are given in mm (inches) and are maximum, unless
otherwise specified.
0.05
0.55
1.05
1.55
2.05
2.55
3.05
3.55
Frequency (GHz)
dc - 4
1.30
SWR
1.20
Specification
DIM A
22.9 (0.90)
15.0 (0.59)
14.0 (0.55)
12.7 (0.50)
1.20
1.10
1.00
2. Unit available with RoHS compliant materials, specify when ordering.
Typical SWR of a 72-10-34
MODEL NUMBER DESCRIPTION:
Example:
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
72 - XX - XX*
Basic
Model
Number
Attenuation
Value (dB)
Connector Options
1st digit is J1 side
2nd digit is J2 side
*Unit is bi-directional & full power may be applied to either J1 or J2.
5305 Spectrum Drive, Frederick, MD 21703-7362
s
TEL: 301-846-9222, 800-638-2048
s
Fax: 301-846-9116
web: www.aeroflex.com/weinschel
s
email: weinschel-sales@aeroflex.com
47
Revision Date: 10/12/2011
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