以下为句子列表：
英文: When the signal source of an op-amp contains an energizing voltage which is much higher than the op-amp supply it is common to use a diode and a current limiting resistor to protect the op-amp in the event of a sensor short-circuit.
中文: 为了防止信号源窜入高压损坏放大器，常见的做法是在放大器输入端到放大器电源间串接一个二极管，并且在放大器输入端串接一个限流电阻。
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