- screened pentode
- 高频五极管
English-Chinese electricity dictionary (电气专业词典). 2013.
screened pentode
Look at other dictionaries:
Pentagrid converter — For other types of frequency converters please, see Frequency converter. The pentagrid converter is a radio receiving valve (vacuum tube) with five grids used as the frequency mixer stage of a superheterodyne radio receiver. Grids of a 12SA7GT… … Wikipedia
