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Multiplexer circuit for dual thermistor operation using a single line coupling
Multiplexer circuit for dual thermistor operation using a single line coupling
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机译:使用单线耦合实现双热敏电阻工作的多路复用器电路
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摘要
A time-multiplexed thermal sensing circuit is provided for control and sensing of two thermistors over a single line electrical coupling. The circuit may include a first diode that selectively couples or isolates a first thermistor from a sense node based on the polarity of an applied voltage to the sense node. The circuit may further include a second diode that selectively couples or isolates a second thermistor from the sense node based on the polarity of the applied voltage to the sense node such that only of the thermistors is coupled to the sense node at any time.
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