PWM loop filter with minimum aliasing error
US7750731B2 · kind B2 · utility
22Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 28, 2008 |
| Grant date | Jul 6, 2010 |
| Priority date | — |
| Expiry date | Jun 10, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H7/07
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
One embodiment of an apparatus for filtering an electrical signal includes a loop filter with an input and an output that applies a transfer function to a signal at the input. The transfer function has substantially no real part. The loop filter has a dominant pole placed substantially at or above an upper frequency in the frequency range of interest for the loop filter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.