Analog baseband filter apparatus for multi-band and multi-mode wireless transceiver and method for controlling the filter apparatus
US9306616B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 4, 2015 |
| Grant date | Apr 5, 2016 |
| Priority date | — |
| Expiry date | Mar 13, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H2250/00
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An analog baseband filter apparatus for a multi-mode and multi-band wireless transceiver and a method for controlling the analog baseband filter apparatus are provided. The analog baseband filter apparatus includes a plurality of Radio Frequency (RF) units, each of the plurality of RF units being for receiving RF signals of one of a plurality of frequency bands and outputting baseband signals, a plurality of filter blocks for filtering and amplifying the baseband signals, and a switching unit for connecting at least two of the plurality of RF units to at least one of the plurality of filter blocks according to a selected communication mode, wherein the at least one of the plurality of filter blocks is configured to be connected to a capacitor region of an adjacent filter block from among the plurality of filter blocks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.