Last-stage power amplifier module of power amplifier

The utility model provides a last-stage power amplification module of a power amplifier. The module comprises an excitation unit, a first amplification unit and a second amplification unit, wherein the excitation unit is used for carrying out preliminary amplification and input protection on input s...

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Bibliographische Detailangaben
Hauptverfasser: LIAO HONGNAN, YANG WEI, ZHANG HUABIN, HU LUOLIN, ZHENG LIYONG, CHEN XI
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:The utility model provides a last-stage power amplification module of a power amplifier. The module comprises an excitation unit, a first amplification unit and a second amplification unit, wherein the excitation unit is used for carrying out preliminary amplification and input protection on input signals; the driving unit is used for amplifying a signal output by the excitation unit; the amplifying unit is used for performing multi-stage amplification on the signal output by the driving unit; the power distribution unit is used for dividing the signal output by the amplification unit into multiple paths of output signals; the combining unit is used for combining multiple paths of output signals into one path to be output; the control unit is used for providing power; the excitation unit, the driving unit, the amplification unit, the power distribution unit and the combining unit are all connected with the control unit, the input end of the excitation unit is connected with an input signal, the output end of