Phase shift circuit

Details Phase shift circuit Phase shift circuit

H - Electricity

03

H

328/28

H03H 11/20 (2006.01)

Patent

CA 1289199

PHASE SHIFT CIRCUIT ABSTRACT OF THE DISCLOSURE A phase shift circuit used in a regenerating repeater, comprising; a separating unit for separating an input signal into two separate signals having a phase difference of a phase angle of 90° therebetween, one separated signal having a "0" phase and the other separated signal having a ".pi./2" phase; a distributing unit for distributing the "0" phase separated signal and ".pi./2" phase separated signal as three distributed signals having phase difference of phase angles of 90° and 180° therebetween, one distributed signal having a "0" phase and the others being a ".pi./2" phase distributed signal and a ".pi." phase distributed signal; and a weight- ing/compounding unit for analyzing the "0" phase dis- tributed signal, ".pi./2" phase distributed signal, and ".pi." phase distributed signal regarding a plurality of phase signals each having a phase shift extent, for com- pounding each of the phase signals after being weighted by each amplitude, the weighting being performed by an weight control signal applied from an external stage, and for generating an output signal adding a phase shift proportional to the weight to the input signal.

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