Details of the phase-locked loop

Introduced: January 1980

Last revised: January 2006

Full Title

Automatic control of frequency or phase; Synchronisation > using a reference signal applied to a frequency- or phase-locked loop > Details of the phase-locked loop

Classification Context

Section:: ELECTRICITY
Class:: ELECTRONIC CIRCUITRY
Subclass:: AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES

6 direct subcodes

Child Classifications

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H03L 7/081 provided with an additional controlled phase shifter
H03L 7/083 the reference signal being additionally directly applied to the generator
H03L 7/085 concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
H03L 7/099 concerning mainly the controlled oscillator of the loop
H03L 7/1 for assuring initial synchronisation or for broadening the capture range
H03L 7/14 for assuring constant frequency when supply or correction voltages fail