1. Heterojunction bipolar transistorThe heterojunction bipolar transistor (HBT) is a type of bipolar junction transistor (BJT) which uses differing semiconductor materials for the emitter and base regions, creating a heterojunction. The HBT improves on the BJT in that it can handle signals of very high frequencies, up to several hundred GHz. It is commonly used in modern ultrafast circuits, mostly radio-frequency (RF) systems, and in applications requiring a high power efficiency, such as RF power amplifiers in cellular phones.
Read “Heterojunction bipolar transistor” on English Wikipedia
Read “HBT” on Japanese Wikipedia
Read “Heterojunction bipolar transistor” on DBpedia
Read “Heterojunction bipolar transistor” on English Wikipedia
Read “HBT” on Japanese Wikipedia
Read “Heterojunction bipolar transistor” on DBpedia
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