Semiconductor Components Industries, LLC

Fairchild Semiconductor Corporation

Zhaohong Li

Lei Huang

WeiMing Sun

Jianing Zhou

This document discusses, among other things, a signal receiving circuit, configured to receive an input voltage signal. The signal receiving circuit can comprise an input voltage regulating circuit and a comparing circuit. The input voltage regulating circuit can carry out a waveform pre-regulation for the input voltage signal to obtain a first voltage signal, and the comparing circuit can compare the first voltage signal with a second voltage signal, and output a comparison voltage signal having a pulse width that satisfies a first predetermined condition indicative that the input voltage signal is correctly identifiable. The present document further discusses a signal detecting circuit and a signal receiving method.

Signal receiving circuit and method, and signal detecting circuit

This document discusses, among other things, a voltage comparator, an integrated circuit, or a voltage comparison method having increased precision. The hysteresis comparator or the integrated circuit can include first and second input transistors, each having a gate configured to receive a respective first or second input voltage. A bias power source can generate a bias current to a first node by applying a voltage through a first resistor. The first node can be connected to a source of the first input transistor through a second resistor and to a source of the second input transistor through a third resistor. The first, second, and third resistors can include the same type of resistor, with the second and third resistors having different resistance values.

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