Nick Ierfino is a senior engineer at IGS Technologies, Montreal, Quebec, Canada. He holds a BSC Eng Telecommunications from Concordia University, Montreal, Quebec, and a DEC in electrotechnology from Dawson College, Montreal. Email address: NickI@IGSTechnologies.com
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December 13, 2007[Ideas For Design] Input Clock Adjusts Frequency Of Digital Ramp Generator
Itâ??s not always easy to design a ramp generator whose ramping frequency can be changed without manipulation of capacitors or inductors. Many ramp circuit designs are available, but they may not be flexible when it comes to varying the rise time. The digital ramp generator circuit in the figure, however, can vary the ramp frequency from less than 1 Hz to about 30 kHz just by varying...
