Voltage controllable oscillator
US4731592A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 16, 1986 |
| Grant date | Mar 15, 1988 |
| Priority date | — |
| Expiry date | Dec 16, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03B2200/0098
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An integrated voltage controllable oscillator having a transistor for oscillation is further provided with a resonance circuit externally connected to two electrodes of the transistor for oscillation and including a variable capacitance element adapted to vary a resonance frequency of the resonance circuit, and a high impedance element connected between the variable capacitance element and the ground in a circuit adapted to supply a control voltage to the variable capacitance element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.