Analog Video Line Driver with Adaptive Impedance Matching

Bram Nauta, Marcel B. Dijkstra

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    A new principle for an adaptive line driver is presented. This type of line driver can adapt its output impedance automatically to the applied load. This results in automatically corrected output impedance for different cables with terminations. Also, the line-driver output impedance becomes insensitive to process variations. As an example, a line driver for analog video signals has been designed. The circuit operates from a 2.4-V supply in a 0.35-¿m CMOS technology. The realized circuit adapts between 38 and 85 ¿ loads, has total harmonic distortion of <-50 dB at 1.2 Vpp for 0-10 MHz, 0.09-mm2 area, and 9-mW static power consumption
    Original languageUndefined
    Pages (from-to)1992-1998
    Number of pages7
    JournalIEEE journal of solid-state circuits
    Issue number12
    Publication statusPublished - 1998


    • METIS-111601
    • IR-14430

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