This project originated from the need to produce a linear crystal-controlled ramp signal for an HP 8620C RF sweep oscillator. It is inspired by a previously published ramp generator design [1]. That ...
The most straightforward way to generate a ramp waveform is to drive a capacitor from a constant current source. If the constant current source is ideal, meaning that its source impedance is infinity, ...
Using standard circuits and no auxiliary voltage generators (such as charge pumps or inductive dc-dc converters), it's difficult to build a precision, rail-to-rail ramp generator that operates on a ...
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