New InGaP/GaAs double heterojunction bipolar transistor (DHBT) with a δ-doped wide-gap collector

Wen-Chau Liu, W. C. Wang, W. L. Chang, K. H. Yu, S. C. Feng, J. H. Yan

Research output: Contribution to conferencePaper

Abstract

An In 0.5 Ga 0.5 P/GaAs double heterojunction bipolar transistor (DHBT) with a δ-doped wide-gap collector structure has been fabricated and studied. Experimental results show that this device exhibits the advantages of a small offset voltage of 50 mV, a small saturation voltage of 1 V, and a large breakdown voltage of 20 V with a current gain of 20. These good characteristics are mainly due to the complete elimination of potential spike at emitter-base (E-B) and base-collector (B-C) heterojunction. Consequently, the studied device shows a good promise for high-speed, high-power, lower-power consumption and large input signal circuit applications.

Original languageEnglish
Pages243-245
Number of pages3
Publication statusPublished - 1999 Jan 1
EventProceedings of the 1998 Conference on Optoelectronic and Microelectronic Materials and Devices - Perth, WA, Aust
Duration: 1998 Dec 141998 Dec 16

Other

OtherProceedings of the 1998 Conference on Optoelectronic and Microelectronic Materials and Devices
CityPerth, WA, Aust
Period98-12-1498-12-16

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials

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