Presentation 1999/1/20
A 28GHz/120mW GaAs 256/258 Dual-Modulus Prescaler IC with 0.1-μm Double-Deck-Shaped(DDS)Gate E/D-HJFETs
Shigeki Wada, Tadashi Maeda, Masatoshi Tokushima, Jin Yamazaki, Masaoki Ishikawa, Masahiro Fujii,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) We have developed 0.1-μm douvle-deck-shaped(DDS)gate enhancement-mode(E)and depletion-mode(D)heterojunction(HJ)FET technology based upon an all-dry-etching process, which enables high current-gain cut-off frequencies(f_T)in both E- and D-mode FETs above 100 GHz. We also report first 256/258 dual-modulus prescaler IC operating above 20 GHz with low power consumption. The prescaler IC has a pulse swallow counter-type architecture, which consists of quasi-differential switch flip-flops(QD-FFs)as the basic circuit architecture and a source-coupled push-pull circuit(SCC)as the input buffer circuit. Obtained maximum input frequency for the prescaler was 28 GHz with power consumption of 120 mW at a supply voltage of 1.0 V. This power consumption is about 1/50 of the value extrapolated from ones reported for prescalers.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Hetero-Junction FET(HJFET) / GaAs / T-shaped Gate / DCFL / Flip-Flop / Dual-Modulus Prescaler
Paper # ED98-195,MW98-158,ICD98-262
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Conference Date 1999/1/20(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A 28GHz/120mW GaAs 256/258 Dual-Modulus Prescaler IC with 0.1-μm Double-Deck-Shaped(DDS)Gate E/D-HJFETs
Sub Title (in English)
Keyword(1) Hetero-Junction FET(HJFET)
Keyword(2) GaAs
Keyword(3) T-shaped Gate
Keyword(4) DCFL
Keyword(5) Flip-Flop
Keyword(6) Dual-Modulus Prescaler
1st Author's Name Shigeki Wada
1st Author's Affiliation NEC Corporation Optoelectronics and High Frequency Device Research Laboratory()
2nd Author's Name Tadashi Maeda
2nd Author's Affiliation NEC Corporation Optoelectronics and High Frequency Device Research Laboratory
3rd Author's Name Masatoshi Tokushima
3rd Author's Affiliation NEC Corporation Optoelectronics and High Frequency Device Research Laboratory
4th Author's Name Jin Yamazaki
4th Author's Affiliation NEC Corporation Optoelectronics and High Frequency Device Research Laboratory
5th Author's Name Masaoki Ishikawa
5th Author's Affiliation NEC Corporation Optoelectronics and High Frequency Device Research Laboratory
6th Author's Name Masahiro Fujii
6th Author's Affiliation NEC Corporation Optoelectronics and High Frequency Device Research Laboratory
Date 1999/1/20
Paper # ED98-195,MW98-158,ICD98-262
Volume (vol) vol.98
Number (no) 523
Page pp.pp.-
#Pages 6
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