Phase locked loop circuit having deadlock protection circuit...

Phase locked loop circuit having main and auxiliary...

Phase locked loop circuit providing increase locking operation s

Phase locked loop circuit using fractional frequency divider

Phase locked loop circuit with an unlock detection circuit...

Phase locked loop circuit with reduced electrical power consumpt

Phase locked loop circuit with self adjusted tuning hiep the...

Phase locked loop circuitry with split loop filter

Phase locked loop control apparatus

Phase locked loop design with diode for loop filter...

Phase locked loop design with switch for loop filter...

Phase locked loop fast power up methods and apparatus

Phase locked loop filter utilizing a tuned filter

Phase locked loop for recovering clock

Phase locked loop having a voltage source responsive to a filter

Phase locked loop having adaptive jitter reduction

Phase locked loop having DC bias circuitry

Phase locked loop having DC bias circuitry

Phase locked loop having enhanced locking characteristics

Phase locked loop having integration gain reduction