POWER MIXER, RADIO FREQUENCY CIRCUIT, DEVICE AND EQUIPMENT
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United States of America Patent
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Issued Date -
May 18, 2023
app pub date -
Dec 31, 2020
filing date -
Dec 31, 2020
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Abstract
The invention discloses a power mixer, radio frequency circuit, device and equipment, and belongs to the technical field of electronics and communication. The power mixer includes a mixer module, which amplifies an analog baseband current signal by a silicon germanium heterojunction bipolar transistor amplifying circuit, and converts a local oscillator voltage signal into a local oscillator current signal by a silicon germanium heterojunction bipolar transistor switching circuit. The silicon germanium heterojunction bipolar transistor switching circuit receives an amplified analog baseband current signal, and mixes the amplified analog baseband current signal and the local oscillator current signal into a radio frequency current signal; and a transformer module, which converts the radio frequency current signal into a radio frequency power signal and then outputs the radio frequency power signal from the power mixer.
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