Multiple phase voltage controlled oscillator including a resonant circuit and negative resistance circuit
US8436689B2 · kind B2 · utility
6Cited by
11References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 2, 2010 |
| Grant date | May 7, 2013 |
| Priority date | — |
| Expiry date | Jan 2, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03B2200/0078
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A voltage controlled oscillator includes a resonant circuit including one or more transformers and a plurality of variable capacitor circuits connected in parallel to the one or more transformers and generating a plurality of oscillation signals having multiple phases, and a negative resistance circuit including a plurality of transistors cross-coupled via the one or more transformers and generating negative resistance for maintaining the oscillation of the resonant circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.