Fixed Coaxial Attenuators
Model 65
High Power, N or SMK Connectors
Conduction/Convection Cooled
POWER RATING
150 watts
average (unidirectional),
10
kilowatts
peak
(5
μsec
pulse width; 0.75 % duty cycle) with
case temperature held within
100 °C maximum
with appro-
priate convection cooling and/or conductive heat sink.
Maximum power rating into output port is 20 watts average.
POWER COEFFICIENT:
<0.0001 dB/dB/watt
TEMPERATURE COEFFICIENT:
<0.0004 dB/dB/°C
TEMPERATURE RANGE:
-55°C to 100°C (case temp.)
dc to 2.5 GHz
150 Watts
Features
o
o
o
Compact Construction -
Lowest size/power ratio.
Flexible Mounting Position -
The units may be
mounted in horizontal (fins up) or vertical position.
Rugged Construction -
Quality connectors with
special high temperature support beads.
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. SMK (2.92mm) connectors - mate
nondestructively with SMA per MIL-C-39012, 3.5mm, SMK,
and other 2.92mm connectors.
Options
Description
Options Description
1
SMK Female
3
Type N Female
2
SMK Male
4
Type N Male
CONSTRUCTION:
Aluminum alloy body, stainless steel
connectors; gold plated beryllium copper contacts.
WEIGHT:
850 g (1 lbs., 14 oz.) maximum
MODEL NUMBER DESCRIPTION:
Example:
Specifications
NOMINAL IMPEDANCE:
50
Ω
FREQUENCY RANGE:
dc to 2.5 GHz
MAXIMUM DEVIATION OVER FREQUENCY:
Nominal ATTN (dB)
3, 6, 10, 20, 30
MAXIMUM SWR:
Deviation (dB)
+ 1.00
65 - XX - XX
SWR
1.20
Basic
Model
Number
Attenuation
Value (dB)
Connector Options
1st digit is input side
2nd digit is output side
Frequency (GHz)
dc - 2.5
PHYSICAL DIMENSIONS:
Connector
N Male
N Female
DIM A
22.9 (0.90)
15.0 (0.59)
Connector
2.92mm Male
2.92mm Female
DIM A
14.0 (0.55)
12.7 (0.50)
NOTE:
All dimensions are given in mm (inches) and are maximum, unless otherwise specified.
63
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
