Linearized phase lock loop FM-demodulator
US4523151A · kind A · utility
3Cited by
5References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 19, 1982 |
| Grant date | Jun 11, 1985 |
| Priority date | — |
| Expiry date | Mar 19, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03D2200/0088
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A circuit for minimizing non-linearity of an FM-demodulator which is in the form of a phase control circuit whereby its voltage controlled oscillator is controlled by adjusting the voltage applied to a capacitive diode coupled thereto so as to adjust the zero-axis crossing of the demodulator to coincide with the center frequency of the input signal to be demodulated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.