Antenna LNA filter for GNSS devices
US8975967B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 8, 2012 |
| Grant date | Mar 10, 2015 |
| Priority date | — |
| Expiry date | Mar 31, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B1/18
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A low-noise amplifier (LNA) filter for use with global navigation satellite system (GNSS) devices is disclosed. A first LNA stage, which is configured to connect to an antenna configured to receive GNSS signals, includes an LNA. A second LNA stage, which is connected to the output of the first LNA stage, has a surface acoustic wave (SAW) filter and an LNA. A third LNA stage, which is connected to the output of the second LNA stage, also has a SAW filter and an LNA.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.