H03L 7/089 the phase or frequency detector generating up-down pulses (H03L7/087 takes precedence)
Introduced: January 1990
Title
Titles differ between systems:
IPC: the phase or frequency detector generating up-down pulses
CPC: the phase or frequency detector generating up-down pulses (H03L7/087 takes precedence)
Full Title
Full titles differ between systems:
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 > concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal > the phase or frequency detector generating up-down pulses
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 > concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal (H03L7/10 takes precedence; circuits for comparing the phase or frequency of two mutually-independent oscillations H03D13/00) > the phase or frequency detector generating up-down pulses (H03L7/087 takes precedence)
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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