Fixed Coaxial Attenuators
Model 49
High Power, N Connectors
Conduction/Convection Cooled
dc to 8.5 GHz
150 Watts
RoHS
ꢀ
TEST DATA: Swept data plots of attenuation and SWR
from 50 MHz to 8.5 GHz.
CONNECTORS:
Type N connectors per MIL-STD-348
interface dimensions - mate nondestructively with MIL-C-
39012 connectors.
Connector Options
Type/Description
3
4
Type N, Female
Type N, Male
EXPRESS
www.argosysales.com
800-542-4457
CONSTRUCTION: Aluminum alloy body, stainless steel
connectors; gold plated beryllium copper female contacts or
stainless steel male contacts. (-LIM option uses
different connector and contact materials)
Features
WEIGHT: 1,450 g (3 lbs, 3 oz.) maximum
PHYSICAL DIMENSIONS:
o
o
o
Quality connectors with special high temperature
support beads.
Designed to meet environmental requirements of
MIL-DTL-3933.
Flexible Mounting Position - The units may be
mounted in horizontal (fins up) or vertical position.
Specifications
NOMINAL IMPEDANCE: 50 Ω
FREQUENCY RANGE:
dc to 8.5 GHz
MAXIMUM DEVIATION OVER FREQUENCY (dB):
Nominal
ATTN (dB)
49
49-LIM
dc - 4 GHz 4 -8.5 GHz dc - 4 GHz 4 -8.5 GHz
3, 6
10, 20
30
+ 0.50
+ 0.40
+ 0.40
+ 0.50
+ 1.00
+ 0.75
+ 0.75
+ 1.00
- - -
- - -
+ 0.70
+ 0.70
+ 0.70
+ 1.25
+ 1.75
+ 1.75
40
MAXIMUM SWR:
Connector
N Male
N Female
DIM A
22.9 (0.90)
15.0 (0.59)
Frequency (GHz)
dc - 4
4 - 8.5
SWR
1.25
1.35
NOTE: All dimensions are given in mm (inches) and are maximum,
unless otherwise specified.
3rd ORDER INTERMODULATION (49-XX-XX-LIM ONLY):
Reflected Levels (IM3), -100 & ThroughꢀLevels (IM3), -110
dBc with two input signals @ 869 MHz and 891 MHz with
average carrier power levels of +43 dBm each.
MODEL NUMBER DESCRIPTION:
Example:
49 - XX - XX - LIM
IM Option*
POWER RATING
(mounted horizontally or
vertically): 150 watts average (unidirectional) to 25°C
ambient temperature, derated linearly to 15 watts @ 125°C.
5 kilowatt peak (5 μsec pulse width; 1.5% duty cycle).
Maximum power rating into output port is 25 watts average.
Connector Options
Basic Model
Number
Attenuation
Value (dB)
1st digit is input side
2nd digit is output side
POWER COEFFICIENT: <0.0001 dB/dB/watt
TEMPERATURE COEFFICIENT: <0.0004 dB/dB/°C
TEMPERATURE RANGE: -55°C to 125°C
*Add -LIM for Low Intermodulation option. Option only available in 10, 20,
30, and 40 dB and is not available through Express.
65
5305 Spectrum Drive, Frederick, MD 21703-7362 s TEL: 301-846-9222, 800-638-2048 s Fax: 301-846-9116
web: www.aeroflex.com/weinschel s email: weinschel-sales@aeroflex.com
Revision Date: 12/4/2012