High-Speed Digital Circuits Using InP-based Resonant Tunneling Diode and High Electron Mobility Transistor Heterostructure
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概要
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Resonant tunneling diodes (RTDs) exhibit a negative-differential-resistance (NDR) characteristic and a picosecond-level switching time (1.5 ps). The NDR characteristic provides the possibility of reducing circuit complexity and power consumption. The RTD’s very fast switching characteristic provides the possibility of high-speed operation. Utilizing the RTD’s characteristics, we designed and fabricated high-speed implementations of a static inverter, a three-stage ring oscillator, and basic Boolean logic gates. Using these results, we designed a 2-bit analog-to-digital converter (ADC) with reduced circuit complexity. Spice simulation proved that the designed ADC can operate at a sampling frequency of up to 10 GHz.
- 2006-04-30
著者
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SEO Kwangseok
School of Electrical Engineering, Seoul National University
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Park Sangho
School Of Materials Science And Engineering Seoul National University
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Kim Hyungtae
School of Electrical Engineering and Computer Science, Seoul National University, San 56-1, Shillim-dong, Kwanak-gu, Seoul, 151-742, Korea
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Yeon Seongjin
School of Electrical Engineering and Computer Science, Seoul National University, San 56-1, Shinlim-dong, Kwanak-gu, Seoul 151-742, Korea
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Song Sangsub
School of Electrical Engineering and Computer Science, Seoul National University, San 56-1, Shillim-dong, Kwanak-gu, Seoul, 151-742, Korea
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Seo Kwangseok
School of Electrical Engineering and Computer Science, Seoul National University, San 56-1, Shillim-dong, Kwanak-gu, Seoul, 151-742, Korea
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Seo Kwangseok
School of Electrical Engineer and Computer Science, Seoul National University, San 56-1, Shillim-dong, Kwanak-gu, Seoul 151-742, Republic of Korea
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Park Sangho
School of Electrical Engineering and Computer Science, Seoul National University, San 56-1, Shillim-dong, Kwanak-gu, Seoul, 151-742, Korea
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Yeon Seongjin
School of Electrical Engineering and Computer Science, Seoul National University, San 56-1, Shillim-dong, Kwanak-gu, Seoul, 151-742, Korea
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