Saw-less receiver with RF frequency translated BPF
US8655299B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 30, 2011 |
| Grant date | Feb 18, 2014 |
| Priority date | — |
| Expiry date | Feb 15, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H19/002
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A SAW-less receiver includes an FEM interface module, an RF to IF receiver section, and a receiver IF to baseband section. The RF to IF receiver section includes a frequency translated bandpass filter (FTBPF), an LNA, and a mixing section. The FTBPF includes a switching network and a plurality of baseband impedances. The switching network is operable to couple the plurality of baseband impedances to the FEM interface in accordance with a plurality of phase-offset RF clock signals to RF bandpass filter the inbound RF signal. The LNA amplifies the filtered inbound RF signal and the mixing section mixes the amplified inbound RF signal with a local oscillation to produce an inbound IF signal. The receiver IF to baseband section converts the inbound IF signal into one or more inbound symbol streams.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.