| 摘要 |
A protection circuit for the output stage of an operational amplifier may utilize two diodes and two resistors. A circuit for protecting electronic components from the voltage on the cable has an operational amplifier having the signal connected to an input, a diode oriented to conduct the signal from an output of the operational amplifier to the cable, and a diode for shunting a voltage, of a polarity opposite the polarity of the signal, from a first conductor of the cable to a second conductor of the cable, and at least one resistor for limiting current flow to the second diode.
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