| CPC H03F 1/26 (2013.01) [H03F 3/211 (2013.01); H04B 1/16 (2013.01); H04B 1/707 (2013.01); H03F 2200/165 (2013.01); H03F 2200/171 (2013.01); H03F 2200/294 (2013.01); H03F 2200/451 (2013.01); H03F 2203/21112 (2013.01); H03F 2203/21157 (2013.01)] | 17 Claims |
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1. An electronic device, wherein the electronic device comprises a receiving module, and the receiving module comprises a first radio frequency port, a second radio frequency port, a first filtering unit, an amplifying unit, and a control element, and the amplifying unit comprises a first end and a second end;
the first radio frequency port is connected to the first end of the amplifying unit by using the first filtering unit, the second end of the amplifying unit is connected to the second radio frequency port, and the control element is connected to the amplifying unit; and
the control element is configured to control an operation mode of the amplifying unit, wherein
when the control element controls the amplifying unit to operate in a first mode, the first radio frequency port is configured to receive a first signal, the first filtering unit is configured to filter the first signal received by the first radio frequency port, and the amplifying unit is configured to amplify a resulting filtered signal and output a resulting amplified signal to the second radio frequency port; and
when the control element controls the amplifying unit to operate in a second mode, the second radio frequency port is configured to receive a second signal and process the second signal, the amplifying unit is configured to amplify the second signal received by the second radio frequency port, and the first filtering unit is configured to filter a resulting second amplified signal and output a resulting second filtered signal to the first radio frequency port,
wherein the amplifying unit comprises a first transistor, a second transistor, a third transistor, a first switch, and a second switch,
a gate of the first transistor is connected to the first end of the amplifying unit, a source of the first transistor is grounded, and a drain of the first transistor is connected to a source of the third transistor,
a gate of the second transistor is connected to the second end of the amplifying unit, a source of the second transistor is grounded, and a drain of the second transistor is connected to the source of the third transistor, and
a drain of the third transistor is connected to a first power supply, the drain of the third transistor is further connected to the second end of the amplifying unit by using the first switch, and the drain of the third transistor is further connected to the first end of the amplifying unit by using the second switch.
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