Diode: a semi-conductor or vacuum tube device which has two electrodes. It permits a current to flow from from cathode to anode only Used as a rectifier.
二极管：具有两个电极的半导体或空管。它只容电流从阴极流向阳极。可作整流器用。
2
In the circuit shown in Figure 5-1, the gate of the SCR is connected through a resistor and diode directly to its anode.
在图5 - 1中所示的电路中，可控硅的栅极通过一个电阻器和二极管直接将其阳极连接。
3
The design approach for diode operating parameters including the diode impedance, cathode and anode are described.