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.
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美
- 為了防止信號源竄入高壓損壞放大器，常見(jiàn)的做法是在放大器輸入端到放大器電源間串接一個(gè)二極管，并且在放大器輸入端串接一個(gè)限流電阻。
