Models 1536RA, 1538RA & 1540RA
Directional Couplers
Discontinued Product...Only available while supplies last!
0.5 to 2.0 GHz
This series of directional couplers feature high directivity
and low SWR and are conservatively rated to ensure the
most reliable service and performance under severe envi-
ronmental conditions. These designs are ideal for lab
applications, internal leveling, ECM Systems, communica-
tion satelites, RF and microwave test equipment, and
wireless applications. Other features include:
o
Selection of Coupling Factors:
20 & 30 dB
o
Female SMA Connectors:
Rugged 4 hole connector
construction insures mechanical superiority
o
Temperature Range:
-55˚C to +85˚C
o
Octive and Multi-octive Models
Specifications
Model
Number
Frequency
Range
(GHz)
1.0-2.0
0.5-2.0
0.5-2.0
1.0-4.0
Coupling
(dB)*
20+1.20
20+1.25
30+1.25
20+1.25
Frequency
Flatness*
(dB)
+0.75
+1.00
+1.00
+0.75
Minimum
Directivity
(dB)
20
20
18
20
Maximum
SWR
Maximum
Insertion Loss
above Coupling
Loss (dB)
0.25
0.25
0.25
0.50
Maximum
Peak**
Power (kW)
3
3
3
3
Maximum
Average**
Power (W)
50
50
50
50
Outline
(See Below)
1536RA-20
1538RA-20
1538RA-30
1540RA-20
1.25
1.25
1.25
1.25
4
1
1
3
* Coupling includes frequency flatness. Coupling measurement is referenced to the Input Port.
** Peak and average power handling capability only apply if the main line is terminated in a 1.25 maximum SWR for 10 dB models
and 1.75 for 20 and 30 dB models.
Physical Dimensions
NOTE:
All dimensions are given in mm (inches) and are maximum, unless otherwise specified.
5305 Spectrum Drive, Frederick, MD 21703-7362 TEL: 301-846-9222, 800-638-2048
web: www.weinschel.com email: sales@weinschel.com
Fax: 301-846-9116
4-10-03
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