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Threshold correction circuit, integrated circuit with threshold correction function, and circuit board with threshold correction function
Threshold correction circuit, integrated circuit with threshold correction function, and circuit board with threshold correction function
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机译:阈值校正电路,具有阈值校正功能的集成电路和具有阈值校正功能的电路板
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摘要
In order to monitor various types of noises which are to be introduced on signals through signal lines on a circuit board and automatically adjust the thresholds for signal state discriminations to make it possible to surely make a signal state discrimination without being affected by these noises even if the amplitude of a signal is reduced for higher-speed transmission and lowered electric power, there is provided a configuration comprising a signal generation unit generating a noise monitor signal; a noise monitor signal line receiving and propagating the noise monitor signal; a noise detection unit detecting a noise which has been introduced into that noise monitor signal propagated through the noise monitor signal line and which affects a state discrimination using a threshold; and a threshold adjustment unit, if the noise detection unit detects the noise, adjusting the threshold such that the state discrimination is not affected by the noise.
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