An RC circuit used to produce time delay is shown in Figure 10.40. For a step input

Question:

An RC circuit used to produce time delay is shown in Figure 10.40. For a step input voltage $\mathrm{v}_{\mathrm{i}}(\mathrm{t})=2 \mathrm{u}(\mathrm{t})$ and $\mathrm{C}=10 \mu \mathrm{F}$, determine $\mathrm{T}_{\text {delay }}$ for the following cases:

(a) $\mathrm{R}=100 \mathrm{k} \Omega$; and

(b) $\mathrm{R}=1 \mathrm{M} \Omega$. Sketch the output $\mathrm{v}_{\mathrm{o}}(\mathrm{t})$ versus time for cases (a) and (b).

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