Front-end circuit for wireless communication system and wireless communication system thereof
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United States of America Patent
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Feb 6, 2018
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N/A
app pub date -
Apr 20, 2015
filing date -
Oct 28, 2014
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Abstract
A front-end circuit for a wireless communication system includes a first amplifier, a second amplifier and an antenna switch. The first amplifier is disposed at a receiving path, wherein the first amplifier has an input terminal and an output terminal, and the input terminal of the first amplifier is coupled to a first pad. The second amplifier is disposed at a transmission path, wherein the second amplifier has an input terminal and an output terminal, and the output terminal of the second amplifier is coupled to a second pad different from the first pad. The antenna switch is coupled between the input terminal of the first amplifier and the output terminal of the second amplifier.
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