释义 |
channel FET microphone channel FET microphone[¦chan·əl ¦fet ′mī·krə‚fōn or ¦ef¦ē¦tē] (engineering acoustics) A microphone in which a membrane is used as the gate to a field-effect transistor (FET) located just below it, and motion of the membrane modulates the current between the source and drain of the transistor. |