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US4322688A Cascode feed-forward amplifier 失效
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Cascode feed-forward amplifier
摘要:
The cascode feed forward amplifier is modified to correct alpha-induced error. A pair of resistors are serially disposed between the bases of a pair of common-base amplifiers to generate an error voltage proportional to the input signal. The error voltage is applied to the correction amplifier to provide an appropriate correction current.
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