光电二极管

光電二極管

guāngdiànèrjíguǎn

noun

Measure Word

一个光电二极管 gè

Meanings

1 photodiode
2 light-sensitive diode (electronic component)

Characters

Examples

光电二极管把光信号转换成电信号。

Guāngdiàn èrjíguǎn bǎ guāng xìnhào zhuǎnhuàn chéng diàn xìnhào.

A photodiode converts a light signal into an electrical signal.

遥控器接收端用的就是光电二极管。

Yáokòngqì jiēshōu duān yòng de jiùshì guāngdiàn èrjíguǎn.

The receiver end of a remote control uses a photodiode.

Tips

memory

Build it up: 光电 (guāngdiàn, photo-electric) + 二极管 (èrjíguǎn, diode — literally 'two-pole tube'). The 二极管 layer also gives 发光二极管 (fāguāng èrjíguǎn, light-emitting diode = LED) — same suffix, opposite direction.

Stroke Order

光 guāng

电 diàn

二 èr

极 jí

管 guǎn