Weinschel
C O R P O R A T I O N
Model 45
Model 58
dc to 1.5 GHz
dc to 5.0 GHz
250 Watts
High Power Fixed Coaxial Attenuators
Convection Cooled
POWER RATING (mounted horizontally with fins
vertical): 250 watts average (unidirectional) to 55°C
ambient temperature, derated linearly to 10% @ 125°C. 10
kilowatt peak (5 µsec pulse width; 1.25% duty cycle).
Maximum power rating into output port is 50 watts average.
Note: Model 45-3-XX is rated for 500 Watts average (uni-
directional) into the input and 250 Watts average
(maximum) into the output port.
Features
POWER COEFFICIENT: <0.0001 dB/dB/watt
TEMPERATURE COEFFICIENT: <0.0004 dB/dB/°C
TEMPERATURE RANGE: -55°C to 125°C
o
Quality connectors with special high temperature
support beads.
o
Designed to meet environmental requirements of
MIL-A-3933.
CALIBRATION: Insertion loss test data supplied at 0.05, 1,
2, 3, 4 and 5 GHz (Model 45 at 0.05 and 1.5 GHz). Other
test data can be provided at additional cost.
Specifications
NOMINAL IMPEDANCE: 50 Ω
CONNECTORS:
Type N connectors per MIL-STD-348
FREQUENCY RANGE: Model 45:
dc to 1.5 GHz
dc to 5.0 GHz
interface dimensions - mate nondestructively with MIL-C-
39012 connectors.
Model 58:
Connector Options
Type/Description
MAXIMUM DEVIATION OVER FREQUENCY:
3
4
Type N, Female
Type N, Male
Nominal
ATTN (dB)
Deviation (dB)
45
58
CONSTRUCTION: Aluminum alloy body, stainless steel
connectors; gold plated beryllium copper contacts.
3*, 6, 10, 20
30, 40
+ 0.50
+ 0.50
+ 1.50
+ 1.75
WEIGHT: 1,530 g (6 lbs, 3 oz.) maximum
MODEL NUMBER DESCRIPTION:
Example:
MAXIMUM SWR:
Frequency (GHz)
Input
Output
dc - 2 (1.5*)
2 - 5
1.10
1.15
1.20 (1.10*)
1.20
58 - XX - XX - LIM
IM Option*
* Model 45 only!
INTERMODULATION (58-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.
Attenuation
Value (dB)
Basic
Model
Number
Connector Options
1st digit is input side
2nd digit is output side
*Add -LIM for Low Intermodulation option.
PHYSICAL DIMENSIONS:
Connector
DIM A
N Male
N Female
22.9 (0.90)
15.0 (0.59)
NOTE: All dimensions are given in mm (inches) and are maximum, unless otherwise specified.
59
5/4/00
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