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Dynamically invariant AB linear operation amplifier
Dynamically invariant AB linear operation amplifier
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机译:动态恒定AB线性运算放大器
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摘要
An amplifier providing the linear output of a Class A amplifier and the expanded peak current output and efficiency of a Class AB amplifier. The amplifier includes an input amplifier, a voltage regulator network, a cascode stage, and an output amplifier. The input amplifier amplifies a signal current into two outputs. The cascode stage and the output stage each contain two paths for the amplified outputs. The voltage regulator network interconnects the two paths between the input amplifier and the cascode stage. The voltage regulator network bypasses a high percentage of the quiescent current that is normally contained in the two paths of the cascode stage and the output amplifier stage, thus improving the peak- to-quiescent current output ratio beyond the 2:1 value of traditional Class A amplifiers.
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