RADIO FREQUENCY CIRCUIT AND COMMUNICATION DEVICE
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United States of America Patent
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Issued Date -
Oct 10, 2024
app pub date -
Jun 20, 2024
filing date -
Dec 24, 2021
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Abstract
A radio frequency circuit can simultaneously transfer a signal in Band A and a signal in Band B, and includes: a first power amplifier supporting a first power class; a second power amplifier supporting a second power class for a transmission power higher than a transmission power of the first power class; a switch that includes a first common terminal connected to a first antenna terminal, a first terminal, and a second terminal; a first filter connected between the first power amplifier and the first terminal, and has a first passband that includes a portion of the first band; a second filter that includes an input end connected to the second power amplifier and an output end connected to a second antenna terminal via no switch, and has a second passband that includes a portion of the second band; and a third filter connected to the second terminal.
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