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Video Signal Distribution Using Low Supply Voltage Amplifiers
Design Note 327
Jon Munson
Introduction
Video designs are often pressed to operate on the lowest
possible rail voltages―a simple result of the trend to-
wards lower voltage logic and the advantages of sharing
supply potentials wherever possible. Video designs are
further complicated by the need to accommodate the
dynamic offset variation inherent in AC-coupled designs
as picture content varies. Traditional op amps require
relatively large amounts of output-swing headroom and
are therefore impractical for AC coupling at even 5V. Figure 1. Typical 1VP-P Video Waveform
Linear Technology offers a new family of video op amps ……
