Analog Video Line Driver with Adaptive Impedance Matching


Nauta, Bram and Dijkstra, Marcel B. (1998) Analog Video Line Driver with Adaptive Impedance Matching. IEEE journal of solid-state circuits, 33 (12). pp. 1992-1998. ISSN 0018-9200

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Abstract: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
Item Type:Article
Copyright:© 1998 IEEE
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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