Fixed Coaxial Attenuators
Model 68
High Power Fixed Coaxial Attenuator
Convection Cooled
dc to 4.0 GHz
100 Watts
RoHS
EXPRESS
800-542-4457
www.argosysales.com
POWER RATING (mounted horizontally):
100 watts
average (unidirectional)
to 25°C ambient temperature,
derated linearly to 10 watts @ 125°C. Note: 3 dB model can
handle 200 Watts
average (unidirectional).
10 kilowatts
peak
(5
μsec
pulse width; 0.5% duty cycle). Maximum
power rating into output port is 10% of the average power
rating.
POWER COEFFICIENT:
<0.00025 dB/dB/watt
TEMPERATURE COEFFICIENT:
<0.0004 dB/dB/°C
TEMPERATURE RANGE:
-55°C to 100°C
TEST DATA:
Insertion Loss and SWR Testing performed
across frequency range. Test data available at additional
cost.
CONNECTORS:
Type N connectors per MIL-STD-348
interface dimensions - mate nondestructively with MIL-C-
39012 connectors.
Connector Options
3
4
Features
o
o
o
o
Precision Connectors with high temperature
support beads.
Designed to meet environmental requirements of
MIL-DTL-3933.
10 Kilowatts peak, Convection Cooled
Wireless Applications
- Optimized for use in the
communications bands.
Specifications
NOMINAL IMPEDANCE:
50
Ω
FREQUENCY RANGE:
dc to 4.0 GHz
Type/Description
Type N, Female
Type N, Male
MAXIMUM DEVIATION OVER FREQUENCY:
CONSTRUCTION:
Aluminum alloy body, stainless steel connec-
tors; gold plated beryllium copper contacts.
Nominal ATTN (dB)
1, 2
3, 6, 10, 20, 30
40
MAXIMUM SWR:
Deviation (dB)
+ 1.20
+ 1.25
+ 2.00
WEIGHT:
500 g (18 oz.) maximum
MODEL NUMBER DESCRIPTION:
Example:
68 - XX - XX
Basic
Model
Number
Attenuation
Value (dB)
Connector Options
1st digit is input side
2nd digit is output side
Frequency (GHz)
dc - 4
PHYSICAL DIMENSIONS:
SWR
1.20
Connector
N Male
N Female
DIM A
22.9 (0.90)
15.0 (0.59)
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.
50
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: 10/20/09
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