Weinschel
C O R P O R A T I O N
Model 75
Medium Power Fixed Coaxial Attenuators
Bi-directional Design
dc to 40.0 GHz
5 Watts
TEMPERATURE RANGE:
-55 °C to 125 °C
CALIBRATION:
Insertion loss and SWR data supplied at
0.05, 4, 8, 12, 18, 26.5 and 40 GHz. Other test data
available at additional cost.
CONNECTORS:
2.92mm (Male/Female) connectors -
mate nondestructively with SMA per MIL-C-39012, 3.5mm
and other 2.92mm connectors.
Connector Options
Type/Description
2.92mm, Female
2.92mm, Male
Features
o
o
o
o
Compact Construction -
Lowest size/power ratio.
Precision injection molded connector dielectric.
Designed to meet environmental requirements of
MIL-A-3933.
Flat Response.
1
2
CONSTRUCTION:
Gold plated finned brass body, gold
plated beryllium copper contacts.
WEIGHT:
200 g (7.0 oz.) maximum
PHYSICAL DIMENSIONS:
Specifications
NOMINAL IMPEDANCE:
50
Ω
FREQUENCY RANGE:
dc to 40.0 GHz
MAXIMUM DEVIATION OVER FREQUENCY:
Nominal
ATTN (dB)
3
6, 10, 20, 30
MAXIMUM SWR:
Frequency (GHz)
dc - 18
18 - 40
SWR
1.20
1.35
Connector
Female
Male
NOTE:
DIM A
11.4 (0.45)
16.4 (0.64)
2.92mm
Female
Connector
2.92mm Male
Connector
Deviation (dB)
dc-18 GHz
18-40 GHz
+ 0.50
+ 0.80
+ 1.00
+ 1.50
POWER RATING (mounted horizontally):
5 watts
aver-
age (bi-directional)
to 25°C ambient temperature, derated
linearly to 0.5 Watt @ 125°C. 200 watts
peak
(5
µsec
pulse
width; 1.25% duty cycle).
POWER COEFFICIENT:
<0.005 dB/dB/watt
TEMPERATURE COEFFICIENT:
<0.0004 dB/dB/°C
All dimensions are given in mm (inches) and are
nominal, unless otherwise specified.
MODEL NUMBER DESCRIPTION:
Example:
75 - XX - XX*
Basic
Model
Number
Attenuation
Value (dB)
Connector Options
-11 Female/Female
-12 Male/Female
-22 Male\Male
*Unit is bi-directional and full power may be applied to either connector.
5305 Spectrum Drive, Frederick, MD 21703-7362
!
TEL: 301-846-9222, 800-638-2048
!
Fax: 301-846-9116
web: www.weinschel.com
!
email: sales@weinschel.com
37
1/25/01
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