Fixed Coaxial Attenuators
Model 40
Model 57
High Power Fixed Coaxial Attenuator
Type N Connectors
EXPRESS
800-542-4457
dc to 1.5 GHz
dc to 5.0 GHz
150 Watts
RoHS
www.argosysales.com
Features
o
o
Quality connectors with special high temperature
support beads.
Designed to meet environmental requirements of
MIL-A-3933.
POWER RATING (mounted horizontally with fins
vertical):
150 watts
average (unidirectional)
to 55°C
ambient temperature, derated linearly to 10% @ 125°C.
Note: 3 dB model can handle 300 Watts
average (unidi-
rectional).
10 kilowatt
peak
(5
μsec
pulse width; 0.75%
duty cycle). Maximum power rating into output port is 20
watts average.
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 40 at 0.05 and 1.5 GHz). Other test
data can be provided at additional cost.
Specifications
NOMINAL IMPEDANCE:
50
Ω
FREQUENCY RANGE:
Model 40:
Model 57:
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:
40
+
+
+
+
0.50
0.50
0.50
0.50
Deviation (dB)
57
+
+
+
+
1.25
1.25
1.50
2.00
57-LIM
---
+ 1.75
+ 2.00
+ 2.00
CONSTRUCTION:
Aluminum alloy body, stainless steel
connectors; gold plated beryllium female copper contacts
and stainless steel male contacts.
WEIGHT:
1,130 g (2 lbs, 8 oz.) maximum
MODEL NUMBER DESCRIPTION:
Example:
Frequency (GHz)
dc - 2 (1.5*)
2-5
* Model 40 only!
Input
1.10
1.15
Output
1.20 (1.10*)
1.20
57 - 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 (57-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. Option only
available 6, 10, 20, 30, 40 dB.
PHYSICAL DIMENSIONS:
* Add -LIM for Low Intermodulation option. Option only available with
Model 57 in 6, 10, 20, 30, 40 dB and is not available through Express.
Connector
N Male
N Female
DIM A
22.9 (0.90)
15.0 (0.59)
NOTE:
1. All dimensions are given in mm (inches) and are
maximum, unless otherwise specified.
2. Unit available with RoHS compliant materials,
specify when ordering.
53
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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