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DIFF Subgroup
H03L 7/20

using a harmonic phase-locked loop, i.e. a loop which can be locked to one of a number of harmonically related frequencies applied to it (H03L7/22 takes precedence)

Introduced: January 1980

Title

Titles differ between systems:

IPC: using a harmonic phase-locked loop, i.e. a loop which can be locked to one of a number of harmonically related frequencies applied to it

CPC: using a harmonic phase-locked loop, i.e. a loop which can be locked to one of a number of harmonically related frequencies applied to it (H03L7/22 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Automatic control of frequency or phase; Synchronisation > using a reference signal applied to a frequency- or phase-locked loop > Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop > using a harmonic phase-locked loop, i.e. a loop which can be locked to one of a number of harmonically related frequencies applied to it

CPC:

Automatic control of frequency or phase; Synchronisation > using a reference signal applied to a frequency- or phase-locked loop > Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop > using a harmonic phase-locked loop, i.e. a loop which can be locked to one of a number of harmonically related frequencies applied to it (H03L7/22 takes precedence)

No child classifications to compare. This is a leaf node in both IPC and CPC.