Digital frequency synthesizer having AFC and modulation applied to frequency divider
US5111162A · kind A · utility
61Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 3, 1991 |
| Grant date | May 5, 1992 |
| Priority date | — |
| Expiry date | May 3, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03L7/1976
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A fractional-N synthesizer realizes automatic frequency control by adding (509) a digital representation of a determined frequency offset to a digital representation of applied modulation to create the modulus control of a programmable frequency divider (203).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.