DIFF Subgroup
H03L 7/02 using a frequency discriminator comprising a passive frequency-determining element
Introduced: January 1980
Full Title
Automatic control of frequency or phase; Synchronisation > using a frequency discriminator comprising a passive frequency-determining element
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 1980.
Child Classifications
Navigate with arrow keys, Enter to open
- H03L 7/04 wherein the frequency-determining element comprises distributed inductance and capacitance since 1980 IPC+CPC Available in IPC and CPC