Abstract
A novel method for an automatic slope adjustment of ramp generators is presented. The method has been verified by functional chip implementations of both a linear and an exponential ramp generator in a 2 /spl mu/m standard CMOS process. Applying start and stop voltages to the ramp generator, the ramp will automatically adjust itself, and the time for a complete ramp is set by the pulse length of a clock signal. Such a ramp generator needs no trimming, and is insensitive to component values and ratios. Ramp forms that are functions of a linear ramp are obtainable, such as linear, exponential, and polynomial increasing ramp shapes.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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