Active bandpass filter circuit with adjustable resistance device and adjustable capacitance device
US9800227B1 · kind B1 · utility
0Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 2016 |
| Grant date | Oct 24, 2017 |
| Priority date | — |
| Expiry date | Aug 12, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H2210/028
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
In an illustrative example, a device includes an operational amplifier of an active bandpass filter circuit. The device further includes an adjustable resistance device configured to adjust a center frequency associated with the active bandpass filter circuit. The device further includes an adjustable capacitance device configured to adjust the center frequency and a bandwidth associated with the active bandpass filter circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.