Reflection reducing directional coupler

Details Reflection reducing directional coupler Reflection reducing directional coupler

1997-11-18

1999-10-12

Gensler, Paul

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333115, H01P 516

Patent

active

059660570

ABSTRACT:
A reflection reducing directional coupler provides an output signal from a coupled signal while reducing the effect of an input signal. The directional coupler provides circuitry to divide, phase delay and vectorially add signals to provide coherent output and coupled signals and reduce reflected signals. The directional coupler also provides the capability to input a calibration signal into a system while mininimizing the effect of the calibration signal on the output signal.

REFERENCES:
patent: 4394629 (1983-07-01), Kumar et al.
patent: 4673898 (1987-06-01), Redmond
patent: 4825177 (1989-04-01), Teague et al.
patent: 4937541 (1990-06-01), Podell et al.
patent: 5428320 (1995-06-01), Lindberg et al.
patent: 5504465 (1996-04-01), Yung et al.

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