Hetero-guardring fully self-aligned HBT (HG-FST) for microwave and high-speed digital applications

Kazuhiko Honjo, Nobuyuki Hayama, Nobuo Nagano, Hideki Takahashi, Shinichi Tanaka, Hidenori Shimawaki

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Citation (Scopus)

Abstract

Typical features and suitable application fields for HBTs (Heterojunction Bipolar Transistors) are demonstrated by using an active device application radar chart. To enhance the typical features, AlGaAs/GaAs Hetero-Guardring Fully Self-Aligned HBT (HG-FST) has been newly developed. By introducing the Hetero-Guardring layer, composed of depleted AlGaAs, at emitter periphery, an emitter size effect on current gain has been significantly reduced, and 1/f noise has been improved by 17 dB compared with conventional AlGaAs/GaAs HBT. DC and RF yield could also be improved. As suitable applications of HG-FST, a low phase noise 22 GHz MMIC (Monolithic Microwave IC) oscillator, ultrahigh-speed fiber optical communication ICs such as a transimpedance amplifier, a D-type flip-flop, an LD driver circuit, and a general-purpose 1K gate array LSI exhibiting 82 psec propagation delay time under FI = F0 = 3, l = 1 mm condition have been developed.

Original languageEnglish
Title of host publicationNEC Research and Development
Pages324-334
Number of pages11
Volume33
Edition3
Publication statusPublished - 1992 Jul
Externally publishedYes

Fingerprint

Heterojunction bipolar transistors
Microwaves
Optical fiber communication
Flip flop circuits
Operational amplifiers
Phase noise
Time delay
Radar
Networks (circuits)

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Honjo, K., Hayama, N., Nagano, N., Takahashi, H., Tanaka, S., & Shimawaki, H. (1992). Hetero-guardring fully self-aligned HBT (HG-FST) for microwave and high-speed digital applications. In NEC Research and Development (3 ed., Vol. 33, pp. 324-334)

Hetero-guardring fully self-aligned HBT (HG-FST) for microwave and high-speed digital applications. / Honjo, Kazuhiko; Hayama, Nobuyuki; Nagano, Nobuo; Takahashi, Hideki; Tanaka, Shinichi; Shimawaki, Hidenori.

NEC Research and Development. Vol. 33 3. ed. 1992. p. 324-334.

Research output: Chapter in Book/Report/Conference proceedingChapter

Honjo, K, Hayama, N, Nagano, N, Takahashi, H, Tanaka, S & Shimawaki, H 1992, Hetero-guardring fully self-aligned HBT (HG-FST) for microwave and high-speed digital applications. in NEC Research and Development. 3 edn, vol. 33, pp. 324-334.
Honjo K, Hayama N, Nagano N, Takahashi H, Tanaka S, Shimawaki H. Hetero-guardring fully self-aligned HBT (HG-FST) for microwave and high-speed digital applications. In NEC Research and Development. 3 ed. Vol. 33. 1992. p. 324-334
Honjo, Kazuhiko ; Hayama, Nobuyuki ; Nagano, Nobuo ; Takahashi, Hideki ; Tanaka, Shinichi ; Shimawaki, Hidenori. / Hetero-guardring fully self-aligned HBT (HG-FST) for microwave and high-speed digital applications. NEC Research and Development. Vol. 33 3. ed. 1992. pp. 324-334
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