Weinschel
C O R P O R A T I O N
Model 79
High Power Fixed Coaxial Attenuators
7/16 Connectors!
dc to 5.0 GHz
150 Watts
NEW
Features
o
o
o
Optimized for Wireless OEM & Test Applications.
Low Intermodulation Design.
Designed to meet environmental requirements of
MIL-A-3933.
POWER RATING (mounted horizontally):
150 watts
average (unidirectional)
to 25°C ambient temperature,
derated linearly to 15 watts @ 125°C. Note: 3 dB model can
handle 300 Watts
average
derated linearly to 30 watts @
125°C. 10 kilowatt
peak
(5
µsec
pulse width; 0.75% duty
cycle). 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 125°C
CALIBRATION:
Insertion loss test data supplied at 0.05,
1.0, 2.0, 3.0, 4.0 and 5.0 GHz. Other test data can be pro-
vided at additional cost.
CONNECTORS:
7/16 connector that conforms to DIN
47223, IEC 169-4, VG 95250, CECC 22 190.
Connector Options
1
2
Type/Description
7/16 Female
7/16 Male
Specifications
NOMINAL IMPEDANCE:
50
Ω
FREQUENCY RANGE:
dc to 5.0 GHz
MAXIMUM DEVIATION OVER FREQUENCY:
Nominal ATTN (dB)
3, 6, 10, 20
30
MAXIMUM SWR:
Frequency (GHz)
dc - 3
3-5
Deviation (dB)
+ 1.25
+ 1.50
CONSTRUCTION:
Black, finned aluminum body, silver
plated brass connectors.
WEIGHT:
1,248 g (2.75 lbs.) maximum
MODEL NUMBER DESCRIPTION:
Example:
SWR
1.20
1.35
79 - XX - XX*
Basic
Model
Number
Attenuation
Value (dB)
Connector Options
1st digit is input side
2nd digit is output side
INTERMODULATION:
3rd Order Through Levels (IM3),
-110 dBc maximum with two input signals @ 869 MHz and
891 MHz with average carrier power levels of +43 dBm
each.
PHYSICAL DIMENSIONS:
Connector
7/16 Male
7/16 Female
NOTE:
DIM A +0.8 (0.3)
32.3 (1.27)
30.7 (1.21)
All dimensions are given in mm (inches) and are maximum, unless otherwise specified.
56
5/4/00
5305 Spectrum Drive, Frederick, MD 21703-7362
!
TEL: 301-846-9222, 800-638-2048
!
Fax: 301-846-9116
web: www.weinschel.com
!
email: sales@weinschel.com
FPGA/CPLD
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