Phase locked loop providing three-level control signal to VCO

Phase locked loop reconfiguration

Phase locked loop reference slaving circuit

Phase locked loop stabilized against temperature and voltage var

Phase locked loop sweep frequency synthesizer

Phase locked loop synthesizer

Phase locked loop system

Phase locked loop system having an oscillator providing a phase

Phase locked loop system with improved acquisition

Phase locked loop that avoids false locking

Phase locked loop tracking filter having enhanced attenuation of

Phase locked loop tuning system including stabilized time interv

Phase locked loop type transmitter receiver

Phase locked loop using a counter and a microcontroller to produ

Phase locked loop using current controlled ring oscillator

Phase locked loop using pilot signal for lock detection

Phase locked loop using sample and hold after phase detector

Phase locked loop variable frequency generator

Phase locked loop variable oscillator with switched capacitors

Phase locked loop wherein phase comparing and filtering are perf