Phase switching circuit

Phase synchronizing circuit

Phase-locked loop circuit

Phase-locked loop frequency modulation circuit for input modulat

Phase-locked loop frequency shift key modulator

Phase-locked loop type synthesizer having modulation function

Phase-locked oscillator for microwave/millimeter-wave ranges

Phase-locked-loop pulse-width modulation system

Phase-shift keying electronic circuit with distributed structure

Phase-shift modulation of a direct antenna-driving VCO

Phaseshift network for an IQ modulator

PI/4 shift QPSK modulator and communication apparatus used there

Piezo-optic, total internal reflection modulator

PLL circuit modulatable by a modulation signal having a direct c

PLL frequency modulator having bias voltage applied to filter ca

PLL modulation circuit

PLL modulation circuit and polar modulation apparatus

PLL stabilized frequency modulator with extended low frequency r

Plural oscillator phase continuous frequency encoder

Plural transistor oscillator phase continuous frequency encoder