Microwave Filter Company, Inc.
International Calls: (315) 438-4700
Toll Free: (800) 448-1666

"Committed to Excellence" Since 1967
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Directional Couplers

The directional coupler provides a simple means of monitoring or sampling RF energy. The coupling value (i.e. 20 dB) is the amount of power diverted to the coupled output from the main line. The “main line” power is reduced by a like amount (i.e. 0.044 dB for a 20 dB coupler). The directivity indicates the degree to which the coupled port is isolated from the main line load. The insertion loss specified includes the losses due to coupling. The internal termination determines the power handling capability of the coupler particularly with mismatched “main line” loads.

Common Specifications:
Power:50 Watts
Impedance:50 Ohms
Directivity:20 dB
Technical Specifications:

Part Number

Freq Range (MHz)
Coupling

Insertion Loss (dB)

VSWR (Max)
PIM
Connector
Temp range
Relative Humidity
Data
DC-7027-050-05N
700-
2700
5 dB,
± .6 dB
2.1 dB
1.25:1
-120 dBc Min @ 2 x 43 dBm
N female
-10°C to +50°C
5% - 95%
Download PDF
DC-7027-050-10N
700-
2700
10 dB,
± 1.2 dB
0.9 dB
1.25:1
-120 dBc Min @ 2 x 43 dBm
N female
-10°C to +50°C
5% - 95%
Download PDF
DC-7027-050-20N
700-
2700
20 dB,
± 1.4 dB
0.5 dB
1.25:1
-120 dBc Min @ 2 x 43 dBm
N female
-10°C to +50°C
5% - 95%
Download PDF
DC-7027-050-30N
700-
2700
30 dB,
± 1.7 dB
0.4 dB
1.25:1
-120 dBc Min @ 2 x 43 dBm
N female
-10°C to +50°C
5% - 95%
Download PDF
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Toll Free: (800) 448-1666
International: (315) 438-4700
Fax: (315) 463-1467

6743 Kinne Street
East Syracuse, New York 13057
Website: www.microwavefilter.com
Email: mfcsales@microwavefilter.com