For the circuit shown in Figure P10.25, neglect base currents and assume \(V_{A}=\infty\). Let \(I_{\mathrm{REF}}=200 \mu \mathrm{A}\) and \(R_{E}=500 \Omega\).

(a) Assume the transistor parameters are \(I_{S 1}=I_{S 2}=5 \times 10^{-15} \mathrm{~A}\). Find \(V_{B E 1}, V_{B E 2}\), and \(I_{O}\).

(b) Repeat part (a) if the transistor parameters are \(I_{S 1}=5 \times 10^{-15} \mathrm{~A}\) and \(I_{S 2}=7 \times 10^{-15} \mathrm{~A}\).

Transcribed Image Text:

IREF V+ Figure P10.25 Q2 RE