Weinschel
C O R P O R A T I O N
Model 53
High Power Fixed Coaxial Attenuators
Convection Cooled
dc to 2.5 GHz
500 Watts
CALIBRATION:
Insertion loss test data supplied at 0.05,
2.5 GHz. Other test data can be provided at additional cost.
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
Features
o
o
o
o
Quality connectors with special high temperature
support beads.
Designed to meet environmental requirements of
MIL-A-3933.
Flexible Mounting Position -
The units may be
mounted in horizontal (fins up) or vertical position.
Low Intermodulation Distortion Option.
CONSTRUCTION:
Aluminum alloy body, gold plated
beryllium copper contacts.
WEIGHT:
3,640 g (8 lbs.) maximum
PHYSICAL DIMENSIONS:
Specifications
NOMINAL IMPEDANCE:
50
Ω
FREQUENCY RANGE:
dc to 2.5 GHz
MAXIMUM DEVIATION OVER FREQUENCY:
Nominal ATTN (dB)
6, 10
3, 20, 30, 40
MAXIMUM SWR:
Frequency (GHz)
dc - 2.5
SWR
1.10
Mounting Holes- 10-32
UNF-2B x 0.44 MIN
Depth, 4 Holes
Deviation (dB)
+ 1.00
+ 0.50
INTERMODULATION (53-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 with fins
vertical):
500 watts
average (unidirectional)
to 35°C
ambient temperature, derated linearly to 50 watts @ 125°C.
10 kilowatt
peak
(5
µsec
pulse width; 2.5% duty cycle).
Maximum power rating into output port is 50 watts average.
Note: 3 dB units are rated for 750 Watts
average (unidi-
rectional)
into the input and 250 Watts
average
(maximum) into the output port.
POWER COEFFICIENT:
<0.0001 dB/dB/watt
TEMPERATURE COEFFICIENT:
<0.0004 dB/dB/°C
TEMPERATURE RANGE:
-55°C to 125°C
NOTE:
Connector
N Male
N Female
DIM A
22.9 (0.90)
15.0 (0.59)
All dimensions are given in mm (inches) and are
maximum, unless otherwise specified.
MODEL NUMBER DESCRIPTION:
Example:
53 - XX - XX
-
LIM
Basic
Model
Number
Attenuation
Value (dB)
IM Option*
Connector Options
1st digit is input side
2nd digit is output 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
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