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GaInP/GaAs collector-up tunnelling-collector heterojunction bipolar transistors with underneath via-hole structure

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4 Author(s)
Tanaka, K. ; Central Res. Lab., Hitachi Ltd., Tokyo, Japan ; Mochizuki, K. ; Yamada, H. ; Takubo, C.

Two types (one-finger and four-finger) GaInP/GaAs collector-up tunnelling-collector heterojunction bipolar transistors (C-up TC-HBTs) with a backside emitter structure have been developed. The four-finger C-up TC-HBT demonstrated thermally stable operation up to 0.9 mW/μm2 without a ballast resistor. This performance shows that this C-up TC-HBT is promising for applications such as small monolithic-microwave ICs used in high-frequency high-power amplifiers.

Published in:
Electronics Letters  (Volume:39 ,  Issue: 3 )

Date of Publication: 6 Feb 2003

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