Oscillator circuit having trimmable capacitor array receiving a reference current
US6326859A · kind A · utility
130Cited by
12References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 2000 |
| Grant date | Dec 4, 2001 |
| Priority date | — |
| Expiry date | Jun 30, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K3/354
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An oscillator circuit includes a current generator which supplies current to input terminals of capacitors in a trimmable capacitor array. The input terminals of the capacitors are held at a relatively constant voltage, and thus all of the current from the current generator passes through the desired capacitors of the capacitor array, thus minimizing the effect of parasitic capacitance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.