Phase-locked loop clock signal generator

Phase-locked loop delay line

Phase-locked loop for a modem

Phase-locked loop frequency-multiplying phase-matching circuit w

Phase-locked loops

Phase-locked signal generator

Phase-matchable, single-mode fiber-optic device

Phase-selectable flip-flop

Phase-shift stabilized frequency multiplier

Phase-splitter

Phaseless equalizer

Photo coupling line isolation circuit

Photo detector input circuit

Photo electric methods and apparatus for regulating electrical p

Photo SI thyristor driving circuit and its protection circuit

Photo-control apparatus and circuit

Photocell switching circuit

Photodetector circuit

Photodetector signal control in charge transfer device imager

Photodiode circuit arrangements