IPC Subgroup
H03L 7/1 for assuring initial synchronisation or for broadening the capture range
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 > for assuring initial synchronisation or for broadening the capture range
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
3 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- H03L 7/107 using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth
- H03L 7/113 using frequency discriminator
- H03L 7/12 using a scanning signal