Weinschel
C O R P O R A T I O N
Model 4H
Hex Body Attenuators
Precision SMA Connectors
dc to 18.6 GHz
2 Watts
CONNECTORS:
SMA connectors per MIL-STD-348 inter-
face dimensions mate nondestructively with MIL-C-39012
connectors.
CONSTRUCTION:
Stainless steel body and connectors;
gold plated beryllium copper contacts.
WEIGHT:
5.0 g (0.18 oz) maximum
PHYSICAL DIMENSIONS:
Features
!
Subminiature -
These attenuators offer the smallest
package size with broadband frequency response,
and attenuation values from 0 to 10, 12, 15, 20
& 30 dB.
Designed to meet environmental requirements of
MIL-A-3933.
Precision SMA Connectors.
Usable to 23 GHz.
!
!
!
Specifications
NOMINAL IMPEDANCE:
50
Ω
FREQUENCY RANGE:
dc to 18.6 GHz
MAXIMUM DEVIATION OVER FREQUENCY:
Nominal ATTN (dB)
Deviation (dB)
0
1-10
12, 14, 15, 20, 30
MAXIMUM SWR:
Frequency (GHz)
dc - 12.4
12.4 - 18.6
SWR
1.25
1.35
Basic
Model
Number
+ 0.40
+ 0.30
+ 0.70
NOTE:
dB VALUE
0-10
12, 15, 20
30
DIM A
19.0 (0.75)
21.6 (0.85)
24.0 (0.95)
All dimensions are given in mm (inches) and are
maximum, unless otherwise specified.
MODEL NUMBER DESCRIPTION:
Example:
4H - XX
Attenuation
Value (dB)
POWER RATING:
2 watts
average
to 25°C ambient tem-
perature, derated linearly to 0.5 watts @ 125°C. 250 watts
peak
(5
µsec
pulse width; 1% duty cycle).
POWER COEFFICIENT:
< 0.005 dB/dB/watt
TEMPERATURE COEFFICIENT:
< 0.0004 dB/dB/°C
TEMPERATURE RANGE:
-50°C to +125°C
22
4/26/00
5305 Spectrum Drive, Frederick, MD 21703-7362
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TEL: 301-846-9222, 800-638-2048
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Fax: 301-846-9116
web: www.weinschel.com
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email: sales@weinschel.com