Fixed Coaxial Attenuators
Model 45
Model 58
High Power Fixed Coaxial Attenuator
Convection Cooled
dc to 1.5 GHz
dc to 5.0 GHz
250 Watts
RoHS
EXPRESS
800-542-4457
www.argosysales.com
Features
o
o
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
TEST DATA:
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.
Quality connectors with special high temperature
support beads.
Designed to meet environmental requirements of
MIL-A-3933.
Specifications
NOMINAL IMPEDANCE:
50
Ω
FREQUENCY RANGE:
Model 45:
Model 58:
dc to 1.5 GHz
dc to 5.0 GHz
MAXIMUM DEVIATION OVER FREQUENCY:
CONNECTORS:
Type N connectors per MIL-STD-348
interface dimensions - mate nondestructively with MIL-C-
39012 connectors.
Connector Options
Type/Description
Type N, Female
Type N, Male
3
4
Nominal
ATTN (dB)
3*, 6
10, 20
30, 40
MAXIMUM SWR:
45
+ 0.50
+ 0.50
+ 0.50
Deviation (dB)
58
+ 1.50
+ 1.50
+ 1.75
58 LIM
---
+ 2.00
+ 3.00
CONSTRUCTION:
Aluminum alloy body, stainless steel
connectors; gold plated beryllium copper contacts.
WEIGHT:
1,530 g (6 lbs, 3 oz.) maximum
MODEL NUMBER DESCRIPTION:
Frequency (GHz)
dc - 2 (1.5*)
2-5
* Model 45 only!
Input
1.10
1.15
Output
1.20 (1.10*)
1.25
Example:
58 - XX - XX
-
LIM
IM Option*
Basic
Model
Number
Attenuation
Value (dB)
Connector Options
1st digit is input side
2nd digit is output side
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.
Connector
N Male
N Female
NOTE:
DIM A
22.9 (0.90)
15.0 (0.59)
1. All dimensions are given in mm (inches) and are maximum, unless
otherwise specified.
2. Unit available with RoHS compliant materials, specify when ordering.
57
5305 Spectrum Drive, Frederick, MD 21703-7362 TEL: 301-846-9222, 800-638-2048 Fax: 301-846-9116
web: www.aeroflex-weinschel.com email: weinschel-sales@aeroflex.com
Revision Date: 11/28/07
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