With two diodes in parallel back to back, the circuit will provide protection regardless of the signal polarity.
由于两个二极管反向并联，所以此电路能够对任何极性的信号进行保护。
For clarity, the figure omits overvoltage diodes and protection circuits.
为明确起见，图中省略了过压二极管和保护电路。
Figure 2-24 shows a protection circuit for an electrometer ammeter or picoammeter, consisting of a resistor and two diodes (1n3595).
图2 - 24示出静电计或皮安计的过载保护电路，其中包括一个电阻器和两个二极管(1n3595)。
There are two TVS diodes on this PCB for 5v and 12v protection.
有两台电视在这个电路板二极管为5V和12v的保护。
Internal circuit protection includes thermal shutdown with hysteresis, transient-suppression diodes, and crossover-current protection.
内部电路保护包括滞后过热关机，瞬态抑制二极管及交叉电流保护。
Internal circuit protection includes thermal shutdown with hysteresis, transient-suppression diodes, and crossover-current protection.
内部电路保护包括滞后过热关机，瞬态抑制二极管及交叉电流保护。
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