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A 3.3-V CMOS adaptive analog video line driver with low distortion performance

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3 Author(s)
Ramachandran, N.P. ; Dept. of Electr. Eng., Texas A&M Univ., College Station, TX, USA ; Dinc, H. ; Karsilayan, A.I.

An analog line driver for video applications is presented. Utilizing a class-AB error amplifier structure, the design achieved 1.2-V peak-to-peak output swing with better than 42-dB linearity for frequencies up to 5 MHz. An adaptive tuning scheme for output impedance matching using peak detection is used to provide uniform performance across line impedance variations. The circuit is designed in AMI 0.5-μm CMOS technology and has a tuning range of 70-180 Ω with a power consumption of about 26.4 mW at 75-Ω load.

Published in:

Solid-State Circuits, IEEE Journal of  (Volume:38 ,  Issue: 6 )