Antenna LNA filter for GNSS devices
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United States of America Patent
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Mar 10, 2015
Grant Date -
May 9, 2013
app pub date -
Nov 8, 2012
filing date -
Nov 9, 2011
priority date (Note) -
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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.
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