Driving circuit of power amplifier
A technology of power amplifier and driving circuit, applied in power amplifier, improving amplifier to improve efficiency, improving amplifier to reduce nonlinear distortion, etc., can solve problems such as linearity and efficiency need to be further improved, achieve poor quality factor and improve efficiency , the effect of high efficiency
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[0016] As shown in Figure 1, the power amplifier drive circuit of the present invention includes two parallel-connected power amplifier drive circuits paDrv I and paDrv II with the same double-ended input and single-ended output, and the input signals are cross-connected to form a double-ended input -Power amplifier drive circuit with double-ended output structure. That is, the output terminal Vo of the power amplifier driving circuit paDrv I is connected to the total output terminal Vo+, the input positive terminal Vi+ is connected to the total input positive terminal Vi+, and the input negative terminal Vi- is connected to the total input negative terminal Vi-; the power amplifier driving circuit paDrv The output terminal Vo of II is connected to the general output terminal Vo-, the input positive terminal Vi+ is connected to the general input negative terminal Vi-, and the input negative terminal Vi- is connected to the general input positive terminal Vi+.
[0017] The total in...
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