Fixed Coaxial Attenuators
dc to 4.0 GHz
Model 72
Medium Power, N or SMK Connectors
Conduction Cooled, Bi-Directional Design!
50 Watts
RoHS
ꢀ
TEMPERATURE RANGE: -55°C to 100°C (case)
TEST DATA: Swept data plots of attenuation and SWR
EXPRESS
www.argosysales.com
800-542-4457
from 50 MHz to 4 GHz is available at additional cost.
CONNECTORS: Type N connectors per MIL-STD-348
interface dimensions - mate nondestructively with MIL-C-
39012 connectors. SMK (2.92mm) connectors - mate
nondestructively with SMA per MIL-C-39012, 3.5mm, SMK,
and other 2.92mm connectors.
Features
o
o
Compact Construction - Lowest size/power ratio.
Precision Connectors with high temperature
Options Description
Options
Description
support beads.
1
2
SMK Female
SMK Male
3
4
Type N Female
Type N Male
o
o
Designed to meet environmental requirements of
MIL-DTL-3933.
Wireless Applications - Optimized for use in the
CONSTRUCTION:
Aluminum body, stainless steel
connectors; gold plated beryllium copper contacts.
WEIGHT: 170 g (6 oz.) maximum
communications bands.
Specifications
NOMINAL IMPEDANCE: 50 Ω
PHYSICAL DIMENSIONS:
FREQUENCY RANGE:
dc to 4.0 GHz
MAXIMUM DEVIATION OVER FREQUENCY:
Nominal ATTN (dB)
3, 6, 10, 20, 30, 40
Deviation (dB)
+ 0.70
-9.00
-9.50
Specification Limit
Specification Limit
-10.00
-10.50
-11.00
0.05
0.55
1.05
1.55
2.05
2.55
3.05
3.55
Typical Attenuation Accuracy of a 72-10-34
MAXIMUM SWR:
Frequency (GHz)
dc - 4
SWR
1.20
Connector
N Male
N Female
DIM A
22.9 (0.90)
15.0 (0.59)
Connector
2.92mmꢀMale
2.92mm Female 12.7 (0.50)
DIM A
14.0 (0.55)
1.30
1.20
1.10
1.00
Specification
NOTE: All dimensions are given in mm (inches) and are maximum,
unless otherwise specified.
MODEL NUMBER DESCRIPTION:
Example:
0.05
0.55
1.05
1.55
2.05
2.55
3.05
3.55
Typical SWR of a 72-10-34
72 - XX - XX*
POWER RATING 50 watts average (bi-directional),
5 kilowatts peak (5 μsec pulse width; 0.5 % duty cycle) with
case temperature held within 100°C maximum with appro-
priate conductive heat sink.
Attenuation
Value (dB)
Connector Options
1st digit is J1 side
2nd digit is J2 side
Basic
Model
Number
*Unit is bi-directional & full power may be applied to either J1 or J2.
POWER COEFFICIENT: <0.0003 dB/dB/watt
TEMPERATURE COEFFICIENT: <0.0004 dB/dB/°C
74
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
Revision Date: 3/6/2013