Fixed Coaxial Attenuators
Model 53
High Power, N Connectors
Conduction/Convection Cooled
dc to 2.5 GHz
500 Watts
TEST DATA: Swept data plots of attenuation and SWR
from 50 MHz to 2.5 GHz.
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
EXPRESS
www.argosysales.com
800-542-4457
3
4
CONSTRUCTION: Aluminum alloy body, gold plated
beryllium copper contacts.
WEIGHT: 3,640 g (8 lbs.) maximum
PHYSICAL DIMENSIONS:
Features
o
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.
Low Intermodulation Distortion Option.
Specifications
NOMINAL IMPEDANCE: 50 Ω
FREQUENCY RANGE:
dc to 2.5 GHz
MAXIMUM DEVIATION OVER FREQUENCY:
Nominal ATTN (dB)
Deviation (dB)
53
53 LIM
3, 6
10, 20, 30, 40
+ 1.00
+ 1.00
- - -
+ 1.20
MAXIMUM SWR:
Mounting Holes- 10-32
UNF-2B x 0.44 MIN
Depth, 4 Holes
Frequency (GHz)
dc - 2.5
53
1.10
53 LIM
1.15
Connector
N Male
DIM A
22.9 (0.90)
15.0 (0.59)
3rd ORDER INTERMODULATION (53-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.
N Female
NOTE: All dimensions are given in mm (inches) and are
maximum, unless otherwise specified.
POWER RATING (mounted horizontally with fins
vertical): 500 watts average (unidirectional) to 25°C
ambient temperature, derated linearly to 50 watts @ 125°C.
10 kilowatt peak (5 μsec pulse width; 2.5% duty cycle).
Maximum power rating into output port is 50 watts average.
TEMPERATURE COEFFICIENT: <0.0004 dB/dB/°C
TEMPERATURE RANGE: -55°C to 125°C
MODEL NUMBER DESCRIPTION:
Example:
53 - XX - XX - LIM
IM Option*
Connector Options
1st digit is input side
2nd digit is output side
Basic
Model
Number
Attenuation
Value (dB)
*Add -LIM for Low Intermodulation option. Option only available in 10,
20, 30 and 40 dB and is not available through Express.
70
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: 9/30/2012