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Novel circuit of small signal amplifier with BJT-MOSFET hybrid unit in sziklai pair topology

机译:sziklai对拓扑中具有BJT-MOSFET混合单元的小信号放大器的新型电路

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BJT-MOSFET hybrid combination is used in Sziklai pair topology to design a novel circuit model of small-signal amplifier. Proposed amplifier can be tuned in 47KHz-245KHz frequency range. This circuit can amplify audio range signals swinging in 0.01-2mV range at 1KHz with an additional biasing resistance R. Proposed amplifier with high voltage gain (347.995), current gain greater than unity (71.519), 47.926KHz bandwidth and 1.33% THD gives better results than recently announced small-signal Sziklai pair amplifier. Qualitative features and analysis of the amplifier suggests its suitability to use in Radio/TV receivers, low frequency power sources and other audible range communication applications.
机译:在Sziklai对拓扑中使用BJT-MOSFET混合组合,设计了一种新型的小信号放大器电路模型。建议的放大器可以在47KHz-245KHz频率范围内进行调谐。该电路可通过额外的偏置电阻R放大在1KHz处在0.01-2mV范围内摆动的音频范围信号。建议的放大器具有高电压增益(347.995),电流增益大于单位(71.519),47.926KHz带宽和1.33%的THD提供更好的结果比最近宣布的小信号Sziklai对放大器大。放大器的定性特征和分析表明,该放大器适用于无线电/电视接收器,低频电源和其他可听范围通信应用。

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