英语词汇“thermionic valve”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

thermionic valve

(US thermionic tube)

noun Electronics

A device giving a flow of thermionic electrons in one direction, used especially in the rectification of a current and in radio reception.It's rather odd therefore that even though we ditched thermionic valves for transistors and integrated circuits many years ago, the cathode ray tube has remained the most cost-effective display system....

The speaker or singer uses a microphone feeding into the above-mentioned amplifier, which incorporates vacuum tubes (thermionic valves).
The basic thermionic tube with three electrodes is called a triode in view of the number of electrodes.

单词	thermionic valve
释义	thermionic valve (US thermionic tube) noun Electronics A device giving a flow of thermionic electrons in one direction, used especially in the rectification of a current and in radio reception.It's rather odd therefore that even though we ditched thermionic valves for transistors and integrated circuits many years ago, the cathode ray tube has remained the most cost-effective display system.... The speaker or singer uses a microphone feeding into the above-mentioned amplifier, which incorporates vacuum tubes (thermionic valves). The basic thermionic tube with three electrodes is called a triode in view of the number of electrodes.
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