POWER AMPLIFIERS WITH BROADBAND MATCHING NETWORKS
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United States of America Patent
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Issued Date -
Sep 21, 2023
app pub date -
Mar 16, 2023
filing date -
Mar 17, 2022
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Abstract
Apparatus and methods for power amplifiers with broadband matching networks are disclosed. In certain embodiments, a mobile device includes a transceiver that generates a radio frequency input signal, and a front-end system including a compound semiconductor die and a silicon switch die. The compound semiconductor die includes a power amplifier including one or more power amplifier stages that amplify the radio frequency input signal to generate a radio frequency output signal. The silicon switch die includes a band selection switch that receives the radio frequency output signal. The compound semiconductor die and the silicon switch die each include at least one controllable impedance for providing a bandwidth adjustment to the power amplifier.
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