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US4572967A Bipolar analog switch 失效
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Bipolar analog switch
摘要:
An improved bipolar analog switch comprising selectable emitter-coupled pairs of bipolar transistors in combination with an emitter follower output bipolar transistor is provided with means for matching operating characteristics of the selected emitter-coupled pair to eliminate thermal distortion and to provide precise signal replication. Also, a simplified TTL-compatible digital switch control circuit is provided.
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