A Schmitt trigger circuit is shown in Figure 15.28(a). The parameters are \(V_{H}=+10 \mathrm{~V}, V_{L}=-10 \mathrm{~V}, R_{1}=2 \mathrm{k} \Omega\), and \(R_{2}=48 \mathrm{k} \Omega\).

(a) Determine the crossover voltages \(V_{T H}\) and \(V_{T L}\).

(b) Assume a sinusoidal voltage \(v_{I}=10 \sin [2 \pi(60) t] \mathrm{V}\) is applied at the input. During the period \(33.3 \leq t \leq 50 \mathrm{~ms}\), determine the time periods that the output is high and the time periods that the output is low.

Figure 15.28(a):-

Transcribed Image Text:

R || R ta WWW ola www R + (a) ww R On o