4-BIT QUANTIZER IMPLEMENTED WITH ALGAAS/GAAS HETEROJUNCTION BIPOLAR TRANSISTORS.

K. C. Wang*, P. M. Asbeck, Mau-Chung Chang, G. J. Sullivan, D. L. Miller

*Corresponding author for this work

    Research output: Contribution to conferencePaperpeer-review

    13 Scopus citations

    Abstract

    A 4-bit quantizer implemented with AlGaAs/GaAs heterojunction bipolar transistors for use in high-speed analog-to-digital conversion is presented. The circuit contains 16 voltage comparators, a resistor ladder for reference voltage generation, encoding logic, and output buffers. Proper operation of quantizers at sampling rates higher than 1 gigasample/s was demonstrated. The static nonlinearity was consistent with 8-bit accuracy.

    Original languageEnglish
    Pages83-86
    Number of pages4
    StatePublished - 1 Dec 1987

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