High-speed high-precision optically controlled sample and hold circuit for analog to digital conversion

Chen Kuo Sun; Ching Ten Chang; William H. McKnight

doi:10.1117/12.165967

21 January 1994 High-speed high-precision optically controlled sample and hold circuit for analog to digital conversion

Chen Kuo Sun, Ching Ten Chang, William H. McKnight

Proceedings Volume 2051, International Conference on Optical Information Processing; (1994) https://doi.org/10.1117/12.165967
Event: Optical Information Processing: International Conference, 1993, St. Petersburg, Russian Federation

Abstract

A novel bridge type opto-electronic (OE) sample and hold circuit based upon current steering is presented and experimentally tested. Comparison between this circuit and a more conventional or direct OE sample and hold circuit which draws charge directly from the signal source shows that the bridge type is clearly superior in performance to the direct OE circuit. When a high speed signal is to be sampled with considerable precision, the bridge type OE sample and hold circuit offers high charging capability, much needed signal isolation, and reduced time jitter, distinct advantages over electronic sample and hold circuits.

Citation Download Citation

Chen Kuo Sun, Ching Ten Chang, and William H. McKnight "High-speed high-precision optically controlled sample and hold circuit for analog to digital conversion", Proc. SPIE 2051, International Conference on Optical Information Processing, (21 January 1994); https://doi.org/10.1117/12.165967

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