Integrated duplexer
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United States of America Patent
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Mar 27, 2018
Issued Date -
N/A
app pub date -
Sep 2, 2015
filing date -
Sep 3, 2014
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Abstract
An apparatus includes a first circuit transmitting a first signal to a port, a second circuit receiving a second signal from the port, a first peak-notch filter coupled between the port and the first circuit and configured to pass the first signal and block the second signal, a second peak-notch filter coupled between the port and the second circuit and configured to pass the second signal and block the first signal, and a third filter coupled between an input of the first filter and a ground or between an output of the second filter and the ground. The first signal has a first frequency and the second signal has a second frequency that is different from the first frequency.
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