Generate a pulse width that is inversely proportional to the square root of an analog voltage

摘要

The circuit in Figure 1 is an edge-triggered monostable circuit, based on a previous design of an edge-triggered parabolic-pulse generator (Reference 1). This circuit involves a simple but significant modification of the earlier generator by disconnecting the input comprising IC_3 and S_2 (in the original design) of the first of the integrators of a cascade from the source of the reference voltage, V_(REF), and connecting it to the input-voltage terminal in Figure 1.