Phase shifting power coupler with three signals of equal amplitu

Details Phase shifting power coupler with three signals of equal amplitu Phase shifting power coupler with three signals of equal amplitu

1997-09-02

1999-10-12

Bettendorf, Justin P.

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333136, 330124R, H01P 1213

Patent

active

059660597

ABSTRACT:
A three-way phase shifting power coupler (20) processes a primary signal (26) to provide first, second, and third secondary signals (32, 38, and 44) of substantially equal amplitudes. The first and second secondary signals (32 and 38) are phase shifted to be in-phase relative to the primary signal (26). The third secondary signal (44) is phase shifted to produce a quarter-wavelength difference between third secondary signal (44) and the first and second secondary signals (32 and 38). First, second, and third secondary signals (32, 38, and 44) are provided for distribution into a multi-stage amplifier (22). The power coupler (20) is preferably implemented in microstrip.

REFERENCES:
patent: 4223283 (1980-09-01), Chan
patent: 4254386 (1981-03-01), Nemit et al.
patent: 4263559 (1981-04-01), Ho
patent: 5313174 (1994-05-01), Edwards

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