5305 Spectrum Drive, Frederick, MD 21703-7362
TEL: 301-846-9222, 800-638-2048
Fax: 301-846-9116
web: www.aeroflex.com/weinschel
email: weinschel-sales@aeroflex.com
46
Revision Date:
1/28/09
Fixed Coaxial Attenuators
TEST DATA SUPPLIED: Sweep SWR/Attenuation data/
plots
performed across 50 MHz to 18 GHz frequency
range. Frequency Markers 0.05, 2.0, 4.0 8.0, 12.4, 18 GHz.
CONNECTORS: Type N (Male/Female) connectors - mate
nondestructively with other N connectors per MIL-C-39012.
Connector Options
Type/Description
3
N, Female
4
N, Male
CONSTRUCTION:
Black, finned aluminum body, gold
plated beryllium copper contacts.
WEIGHT: 120 g (4.2 oz.) maximum
PHYSICAL DIMENSIONS:
Features
o Precision injection molded connector dielectric.
o Designed to meet environmental requirements of
MIL-DTL-3933.
o Flat Response.
Specifications
NOMINAL IMPEDANCE: 50
Ω
FREQUENCY RANGE:
dc to 18.0 GHz
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.
MODEL NUMBER DESCRIPTION:
Example:
90 - XX -XX
Model 90
dc to 18.0 GHz
Medium Power Fixed Coaxial Attenuator
50 Watts
Bi-directional Design!
Frequency (GHz)
SWR
dc - 8
1.15
8 - 12.4
1.20
12.4 - 18
1.30
MAXIMUM SWR:
Nominal
ATTN (dB)
Deviation (dB)
3, 6
+ 0.50
10, 20
+ 0.75
30
+ 1.00
MAXIMUM DEVIATION OVER FREQUENCY:
Basic
Model
Number
Attenuation
Value (dB)
Connector Options
-33 Female/Female
-34 Female/Male
-44 Male/Male
POWER RATING (mounted horizontally): 50 watts aver-
age (bi-directional) to 25°C ambient temperature, derated
linearly to 10 Watts @ 125°C. 1 kW peak (5
μsec pulse
width; 2.5% duty cycle).
POWER COEFFICIENT: <0.0006 dB/dB/watt
TEMPERATURE COEFFICIENT: <0.0004 dB/dB/°C
TEMPERATURE RANGE: -55 °C to 125 °C
Connector
DIM A
N Male
24.1 (0.95)
N Female
19.0 (0.75)
RoHS