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CMOS equaliser for compensating sinc(x) distortion of video D/A converters

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3 Author(s)
Dudek, F. ; Sch. of Eng. & Adv. Technol., Staffordshire Univ., UK ; Al-Hashimi, B.M. ; Moniri, M.

The authors describe the design and CMOS realisation of a new g m-C amplitude equaliser for correcting sinc(x) distortion in video D/A converters. Simulated and measured results demonstrate how the equaliser is used to correct distortion in D/A converters with Fs =13.5 MHz to ⩽0.08 dB ripple over 5 MHz bandwidth. Fabricated using a 0.8 μm CMOS process, the equaliser occupies 0.7 mm2 and dissipates 20 mW from a 5 V supply

Published in:

Electronics Letters  (Volume:33 ,  Issue: 19 )