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Filter circuit, f class power amplifier, inverse f class power amplifier
Filter circuit, f class power amplifier, inverse f class power amplifier
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机译:滤波电路,F类功率放大器,反F类功率放大器
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摘要
The present invention is a filter circuit for filtering the input signal in a predetermined frequency band, and a quarter-wave open stub length of a quarter wavelength of the upper limit frequency of the predetermined frequency band, the It is connected to an input terminal of the quarter-wave open stub, comprising: a first phase adjusting unit having a negative group delay characteristics, the.
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