Oscillator Circuits assignment help

Schmitt trigger simulation

A note on the Schmitt Trigger

-VL*(R2/(R1+R2)). The output will remain low until the signal on the inverting-input reaches (and goes lower than) this new voltage when the output will swing back high once more.

We therefore have a system involving two threshold levels of Va=Vh*(R2/(R1+R2)) and Vb= -VL*(R2/(R1+R2)).

Assignments in Phase Shift RC oscillator

As before the simulation of the oscillator will not start on its own. This time we are applying an input, which is a sine generator via R6 (1M).

The analysis is performed with a frequency graph (see fig 19).

Perform the simulation and examine the output.

The oscillator is highly resonant at a frequency of