| 摘要 |
A signal transfer circuit is configured by including a driving circuit for applying a voltage to a transformer depending on an input signal, a secondary side circuit for causing an output signal to rise when a voltage with a positive polarity is generated in the transformer, and for causing the output signal to fall when a voltage with a negative polarity is generated in the transformer, and a resistor for applying a voltage with a negative polarity with a level, by which the secondary side circuit does not operate, to the transformer after a voltage with a positive polarity is generated in the transformer, and for causing a voltage with a positive polarity with a level, by which the secondary side circuit does not operate, to be generated in the transformer after the voltage with the negative polarity is applied to the transformer.
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