Fixed Coaxial Attenuators
Model 81
High Power, N Connectors
Conduction/Convection Cooled
CONNECTOR:
Type N connectors - mate nondestructively
with MIL-C-39012 connectors.
Options
3
4
Type/Description
Type N, Female
Type N, Male
dc to 10.0 GHz
500 Watts
CONSTRUCTION:
Black, finned aluminum body, stainless
steel or connectors with gold plated beryllium copper
contacts.
WEIGHT:
10 dB: 5.3 kg (11 lbs, 11 oz) maximum
20, 30, 40 dB: 6.24 Kg (13 lbs, 12 oz)maximum
PHYSICAL DIMENSIONS:
Features
o
o
Quality connectors with special high temperature
support beads.
Designed to meet environmental requirements of
MIL-DTL-3933.
Specifications
NOMINAL IMPEDANCE:
FREQUENCY RANGE:
50
Ω
dc to 10.0 GHz
MAXIMUM DEVIATION OVER FREQUENCY (dB):
NOM ATTN (dB)
10, 20, 30, 40
MAXIMUM SWR:
Deviation
dc - 7.0 GHz 7.0 - 10.0 GHz
+3.0
+5 / -0 dB
Frequency (GHz)
dc - 9.0
9.0 - 10.0
SWR
1.50
1.90
POWER RATING:
500 watts
average (unidirectional)
to
25°C ambient temperature, derated linearly to 50 watts @
125°C. 5 kilowatt
peak
(5
μsec
pulse width; 5% duty cycle).
Maximum power into output is 20 Watts
average.
TEMPERATURE COEFFICIENT:
<0.0004 dB/dB/°C
TEMPERATURE RANGE:
-55°C to +125°C
TEST DATA:
Swept data plots of attenuation and SWR
from 50 MHz to 10 GHz.
NOTE:
Connector Type
N female
N male
DIM A
15.0 (0.59)
22.9 (0.90)
All dimensions are given in mm (inches) and are
maximum, unless otherwise specified.
MODEL NUMBER DESCRIPTION:
81 - XX - XX
Basic Model
Number
Attenuation
Value
Connector Options
- 1st Digit is input side
- 2nd digit is output side.
71
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: 9/30/2012
PCB Design
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