A method that employs a single supply voltage rail to produce a buffered signal whose frequency can be varied over a range from 10Hz to 1MHz.
Over on YouTube [Andrew Neal] has a Function Generator Build for Beginners. As beginner videos go this one is fairly ...
Rail-to-rail input and output (RRIO) op amps, both FET and BJT, have been around for a long time, but the possibilities they provide for versatile waveshape generation with simple circuits can still ...
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