Fixed Coaxial Attenuators
Model 90
Medium Power Fixed Coaxial Attenuator
SMA & N Connectors
dc to 18.0 GHz
50 Watts
RoHS
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 connectors per MIL-STD-348
interface dimensions - mate nondestructively with MIL-C-
39012 connectors.
SMA Connectors - mate nondestructively with SMA per
MIL-C-39012, 2.92mm and 3.5mm connectors.
Options
1
2
Description
SMA Female
SMA Male
Options
3
4
Description
Type N, Female
Type N, Male
Features
o
o
o
Precision injection molded connector dielectric.
Designed to meet environmental requirements of
MIL-DTL-3933.
Flat Response.
CONSTRUCTION:
Black, finned aluminum body, gold
plated beryllium copper contacts.
WEIGHT:
120 g (4.2 oz.) maximum
PHYSICAL DIMENSIONS:
Specifications
NOMINAL IMPEDANCE:
50
Ω
FREQUENCY RANGE:
dc to 18.0 GHz
MAXIMUM DEVIATION OVER FREQUENCY:
Nominal
ATTN (dB)
3, 6
10, 20
30
MAXIMUM SWR:
Frequency (GHz)
dc - 8
8 - 12.4
12.4 - 18
SWR
1.15
1.20
1.30
Connector
N Male
N Female
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.
DIM A
24.1 (0.95)
19.0 (0.75)
Connector
SMA Female
SMA Male
DIM A
14.0 (0.55)
13.2 (0.52)
Deviation (dB)
+ 0.50
+ 0.75
+ 1.00
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
MODEL NUMBER DESCRIPTION:
Example:
90 - XX - XX
Basic
Model
Number
Attenuation
Value (dB)
Connector Options
1st digit is J1 side
2nd digit is J2 side
*Unit is bi-directional & full power may be applied to either J1 or J2.
46
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
Revision Date: 10/14/10
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