Direct down-conversion mixer architecture
US7489916B1 · kind B1 · utility
5Cited by
105References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 4, 2003 |
| Grant date | Feb 10, 2009 |
| Priority date | — |
| Expiry date | May 22, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03D2200/0047
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Direct down-conversion mixer. A direct down-conversion mixer is provided. The mixer comprises an LO switching pair coupled to receive an RF input signal and produce a down converted output signal. The mixer also comprises an integrator coupled to receive the output signal and produce an integrator output signal. The mixer also comprises a control circuit coupled to receive an input voltage and the integrator output signal to produce a control signal that is coupled to the LO switching pair.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.