Frequency (GHz) Input Output
dc - 2 (1.5*) 1.10 1.20 (1.10*)
2 - 5 1.15 1.25
* Model 45 only!
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.
POWER COEFFICIENT: <0.0001 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, 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.
CONNECTORS: Type N connectors per MIL-STD-348
interface dimensions - mate nondestructively with MIL-C-
39012 connectors.
Connector Options Type/Description
3 Type N, Female
4 Type N, Male
CONSTRUCTION: Aluminum alloy body, stainless steel
connectors; gold plated beryllium copper contacts.
WEIGHT: 1,530 g (6 lbs, 3 oz.) maximum
Features
oQuality connectors with special high temperature
support beads.
oDesigned to meet environmental requirements of
MIL-A-3933.
Specifications
NOMINAL IMPEDANCE: 50 Ω
FREQUENCY RANGE: Model 45: dc to 1.5 GHz
Model 58: dc to 5.0 GHz
Model 45 dc to 1.5 GHz
Model 58 dc to 5.0 GHz
High Power Fixed Coaxial Attenuators 250 Watts
Convection Cooled
MAXIMUM SWR:
Nominal Deviation (dB)
ATTN (dB) 45 58 58 LIM
3*, 6 + 0.50 + 1.50 - - -
10, 20 + 0.50 + 1.50 + 2.00
30, 40 + 0.50 + 1.75 + 3.00
MAXIMUM DEVIATION OVER FREQUENCY:
MODEL NUMBER DESCRIPTION:
Example:
58 - XX -XX-LIM
Basic
Model
Number
Attenuation
Value (dB)
Connector Options
1st digit is input side
2nd digit is output side
IM 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
63
NOTE: All dimensions are given in mm (inches) and are maximum, unless otherwise specified.
Connector DIM A
N Male 22.9 (0.90)
N Female 15.0 (0.59)
3rd ORDER INTERMODULATION (58-XX-XX-LIM ONLY):
Reflected Levels (IM3), -100 & Through Levels (IM3), -110
dBc with two input signals @ 869 MHz and 891 MHz with
average carrier power levels of +43 dBm each.
PHYSICAL DIMENSIONS:
*Add -LIM for Low Intermodulation option. Option only available with
Model 58 in 10, 20, 30, 40 dB and is not available through
Express.
10/23/01
