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Class AB output stages and amplifiers including class AB output stages
Class AB output stages and amplifiers including class AB output stages
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机译:AB类输出级和包括AB类输出级的放大器
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摘要
A buffer stage includes a flipped voltage follower and an emitter follower. The flipped voltage follower is connected between a high voltage rail and a low voltage rail and include an input and an output. The emitter follower is also connected between the high voltage rail and the low voltage rail and includes an input and an output. A resistor connects the output of the flipped voltage follower to the output of the emitter follower. The input of the flipped voltage follower and the input of the emitter follower are connected together and provide an input of the buffer stage. The output of the emitter follower provides an output of the buffer stage. A differential buffer stage can be implemented using a pair of such buffer stages. Such a differential buffer stage can provide the output stage for a fully differential operational amplifier.
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