System architecture and key components of a multi-Giga-Hertz A/D converter with HBT

This paper reports the design and performance of a very fast 6-bit ADC system with GaAs HBT technology. The ADC system consists of a track/hold circuit and an ADC. The track/hold circuit employs an open-loop architecture and uses Schottky barrier diodes for a diode switch, and achieves 3 GS/s operat...

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Published inQuality Measurement: The Indispensable Bridge between Theory and Reality (No Measurements? No Science! Joint Conference - 1996: IEEE Instrumentation and Measurement Technology Conference and IMEKO Tec Vol. 2; pp. 1160 - 1166 vol.2
Main Authors Kobayashi, H., Tobari, T., Matsuura, H., Miura, A., Yamanaka, R., Yakihara, T., Kobayashi, S., Oka, S., Fujita, T., Murata, D.
Format Conference Proceeding
LanguageEnglish
Published IEEE 1996
Subjects
Circuit synthesis
Gallium arsenide
Heterojunction bipolar transistors
Integrated circuit measurements
Interpolation
Linearity
Schottky barriers
Schottky diodes
Switches
Switching circuits
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Summary:This paper reports the design and performance of a very fast 6-bit ADC system with GaAs HBT technology. The ADC system consists of a track/hold circuit and an ADC. The track/hold circuit employs an open-loop architecture and uses Schottky barrier diodes for a diode switch, and achieves 3 GS/s operation with better than 6-bit linearity. The 6-bit ADC employs folding/interpolation architecture to reduce hardware and power maintaining the high-speed operation, and it achieves DC linearity better than 7-bit.
ISBN:0780333128
9780780333123
DOI:10.1109/IMTC.1996.507554