(a) Redesign the circuit shown in Figure P5.49 using \(V_{C C}=9 \mathrm{~V}\) such that the voltage drop across \(R_{C}\) is \(\left(\frac{1}{3}\right) V_{C C}\) and the voltage drop across \(R_{E}\) is \(\left(\frac{1}{3}\right) V_{C C}\). Assume \(\beta=100\). The quiescent collector current is to be \(I_{C Q}=\) \(0.4 \mathrm{~mA}\), and the current through \(R_{1}\) and \(R_{2}\) should be approximately \(0.2 I_{C Q}\).

(b) Replace each resistor in part (a) with the closest standard value (Appendix C). What is the value of \(I_{C Q}\) and what are the voltage drops across \(R_{C}\) and \(R_{E}\) ?

Transcribed Image Text:

Vcc = 2.5 V www R RC= VB R RE= Figure P5.49