RF front-end receiver
US7379727B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 20, 2005 |
| Grant date | May 27, 2008 |
| Priority date | — |
| Expiry date | Dec 22, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03D2200/009
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An RF front-end receiver comprises a low noise amplifier and a local oscillator driver, which are connected to respective input ports of a mixer which comprises a first and second transistor with gates coupled to one output terminal, a third and fourth transistor with gates coupled to the other output terminal, a fifth and sixth transistor with gates coupled to respective output terminal of the local oscillator driver, the sources of the first and third transistors coupled to the drain of the fifth transistor, the sources of the second and fourth transistor coupled to the drain of the sixth transistor, the sources of the fifth and sixth transistor coupled to ground, the drains of the first and fourth transistor coupled to one output terminal of a mixer output port, and the drains of the second and third transistor coupled to the other output terminal of the mixer output port.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.