Fixed Coaxial Attenuators
Model 67
High Power Fixed Coaxial Attenuator
Forced Cooled
dc to 12.7 GHz
350 Watts
RoHS
POWER RATING (mounted horizontally):
350 watts
average (unidirectional)
@ 25°C ambient temperature.
Case temperature must be held to
100°C maximum.
5 kilowatt
peak
(5
μsec
pulse width; 3.5% duty cycle).
Maximum power rating into output port is 10 watts average.
POWER COEFFICIENT:
<0.0004 dB/dB/°C
TEMPERATURE COEFFICIENT:
<0.00001 dB/dB/W
Features
o
o
o
Precision Injection Molded Connectors.
Designed to meet environmental requirements of
MIL-DTL-3933.
Broadband performance, ideal for test
applications.
TEMPERATURE RANGE:
-55°C to 100°C (case temp.)
TEST DATA:
Swept data plots of attenuation and SWR
from 50 MHz to 12.7 GHz supplied.
CONNECTORS:
Type N connectors per MIL-STD-348
interface dimensions - mate nondestructively with MIL-C-
39012 connectors.
Connector Options
3
4
Type/Description
Type N, Female
Type N, Male
Specifications
NOMINAL IMPEDANCE:
50
Ω
FREQUENCY RANGE:
dc to 12.7 GHz
CONSTRUCTION:
Aluminum alloy body, stainless steel
connectors; gold plated beryllium copper contacts.
WEIGHT:
1200 g (43 oz.) maximum
MODEL NUMBER DESCRIPTION:
Example:
MAXIMUM DEVIATION OVER FREQUENCY:
Nominal
ATTN (dB)
10
20, 30
MAXIMUM SWR:
Deviation (dB)
dc-8 GHz
8 -12.7 GHz
+ 2.00
+ 2.50
+6.00/-0.00
+6.00/-0.00
67 - XX - XX
Basic
Model
Number
Attenuation
Value (dB)
Connector Options
1st digit is input side
2nd digit is output side
Frequency (GHz)
dc - 8
8 - 12.7
PHYSICAL DIMENSIONS:
SWR
1.30
1.60
NOTE:
All dimensions are given in mm (inches) and are maximum, unless otherwise specified.
69
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: 3/25/2014
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