Fixed Coaxial Attenuators
Models 32J
High Reliability Fixed Coaxial Attenuator
Suitable for Space & Airborne Applications
dc to 32.0 GHz
2 Watts
RoHS
PHYSICAL DIMENSIONS:
Features
o
o
o
o
Available in 0.5 dB increments from 0-30 dB.
Rugged injection molded connectors.
Designed to meet environmental requirements of
MIL-DTL-3933.
100% Subjected to Thermal Shock & Peak Power
Tests.
dB VALUE
0-12
12.5-20
20.5-30
Aeroflex / Weinschel
DIM A + 0.5 (0.02)
28.6 (1.15)
31.2 (1.23)
33.8 (1.33)
Specifications
NOMINAL IMPEDANCE:
50
Ω
FREQUENCY RANGE:
dc to 32.0 GHz
NOTE:
MAXIMUM DEVIATION OVER FREQUENCY:
1. All dimensions are given in mm (inches) and are maximum, unless
otherwise specified.
2. Unit available with RoHS compliant materials, specify when ordering.
Nominal ATTN (dB)
0
0.5 - 12
12.5 - 20
20.5 - 30
MAXIMUM SWR:
Deviation (dB)
+ 0.5 / -0.0
+ 0.50
+ 1.00
+ 2.00
Screening
Units are screened by lot as follows:
Thermal Shock:
10 cycles, -55 C to +100 °C, with a mini-
mum of 1/2 hour dwell time at each temperature extreme.
Attenuation is measured before and after thermal shock.
Peak Power:
500 Watts, 5
μsec
pulse width; 0.05% duty
cycle for 3 minutes at each end. DC Attenuation is mea-
sured before and after peak power.
Attenuation and SWR are tested as final electrical test. Test
data is available at additional cost.
MODEL NUMBER DESCRIPTION:
Example:
Frequency (GHz)
dc - 32
SWR
1.25
POWER RATING:
2 watts
average
to 25°C ambient
temperature, derated linearly to 0.5 watts at 100°C.
500 watts
peak
(5
μsec
pulse width; 0.2% duty cycle).
POWER COEFFICIENT:
< 0.005 dB/dB/watts
TEMPERATURE COEFFICIENT:
< 0.0004 dB/dB/°C
TEMPERATURE RANGE:
-55°C to +100°C
CONNECTORS:
2.92mm connectors - mate nondestruc-
tively with SMA connectors per MIL-C-39012, 3.5mm, SMK,
and other 2.92mm connectors.
CONSTRUCTION:
Passivated stainless steel body and
connectors; gold plated beryllium copper contacts. Each
unit is sealed using low outgassing sealant.
WEIGHT:
13g (0.43 oz)
32J - XX
Basic
Model
Number
Attenuation
Value (dB)
24
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: 11/13/09
51单片机
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