Weinschel
C O R P O R A T I O N
Model 47
Medium Power Fixed Coaxial Attenuators
Type N Connectors
dc to 18.0 GHz
50 Watts
POWER COEFFICIENT:
<0.0003 dB/dB/watt
TEMPERATURE COEFFICIENT:
<0.0004 dB/dB/°C
TEMPERATURE RANGE:
-55°C to 125°C
CALIBRATION:
Insertion loss test data supplied at 0.05,
4.0, 8.0, 12.0, and 18.0 GHz. Other test data can be
provided at additional cost.
Features
o
o
o
Designed to meet environmental requirements of
MIL-A-3933.
Rugged injection molded connector dielectric.
Low Intermodulation option available.
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 18.0 GHz
MAXIMUM DEVIATION OVER FREQUENCY:
Nominal ATTN (dB)
3, 6, 20
10
30, 40
MAXIMUM SWR:
Frequency (GHz)
dc - 8
8 -12.4
12.4 - 18
3, 6 dB
1.25
1.35
1.45
10, 20, 30, 40 dB
1.20
1.25
1.35
Deviation (dB)
+ 0.75
+ 0.50
+ 1.00
CONSTRUCTION:
Black, finned aluminum body, gold
plated beryllium copper contacts.
WEIGHT:
175 g (6 oz.) maximum
PHYSICAL DIMENSIONS:
Connector
N Male
N Female
NOTE:
DIM A
24.1 (0.95)
19.0 (0.75)
All dimensions are given in mm (inches) and are
maximum, unless otherwise specified.
INTERMODULATION (47-XX-XX-LIM only!):
3rd Order
Through Levels (IM3), -110 dBc maximum with two input
signals @ 869 MHz and 891 MHz with average carrier
power levels of +43 dBm each.
POWER RATING (mounted horizontally):
50 watts
average (unidirectional)
to 25°C ambient temperature,
derated linearly to 5 watts @ 125°C. Note: 3 dB model can
handle 100 Watts
average (unidirectional).
1 kilowatt
peak
(5
µsec
pulse width; 2.5% duty cycle).
MODEL NUMBER DESCRIPTION:
Example:
47 - XX - XX
-
LIM
Basic
Model
Number
Attenuation
Value (dB)
IM Option*
Connector Options
1st digit is J1 side
2nd digit is J2 side
*Add -LIM for Low Intermodulation option.
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
49
5/4/00
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