heterojunction bipolar transistor


heterojunction bipolar transistor

[¦hed·ə·rə‚jəŋk·shən ′bī‚pōl·ər tran‚zis·tər] (electronics) A bipolar transistor that has two or more materials making up the emitter, base, and collector regions, giving it a much higher maximum frequency than a silicon bipolar transistor. Abbreviated HBT.