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Faraday Rotator Circulator

2013-07-30

Faraday Rotator Circulator

A useful device is the 4-port Faraday Rotator Circulator shown symbolically in the picture. These waveguide devices handle very high power and provide excellent isolation properties. It is useful when measurements must be made during high power application as shown. A water load is used to absorb the high power reflections so that a reasonable power level is reflected to the receiver or measurement port.


The Maximum Input Power to a Measurement Device - The ideal input to a measurement device is in the 0 to 10 dBm ( 1 to 10 mW) range. Check manufacturer's specification for specific maximum value.