heterojunction bipolar transistor


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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.
References in periodicals archive ?
manufacturer of microdisplays to the consumer electronics, industrial and military markets and the world's largest merchant supplier of heterojunction bipolar transistor (HBT) wafers for power amplifier integrated circuits.
Kopin Corporation produces lightweight, power-efficient, ultra-small liquid crystal displays and heterojunction bipolar transistors (HBTs) that are revolutionizing the way people around the world see, hear and communicate.
Its cluster tool design provides the industry's most cost effective 4x4" epiwafer growth of devices such as pump lasers, vertical cavity surface-emitting lasers (VCSELs) and heterojunction bipolar transistors (HBTs).
25 microwave bipolar complementary metal oxide semiconductor (BiCMOS) process offers high-performance technology with NpN heterojunction bipolar transistors (HBTs) up to fT/fmax= 180/220 GHz.