5. (a) A transistor amplifier is shown in Fig. 11. Draw the small-signal equivalent circuit of this amplifier. Make sure you simplify your equivalent circuit as much as possible. + Vin Vcc RC1 RF RC2 + C2 J C₁ RL Vout Figure 11: Transistor amplifier. (b) The small-signal equivalent circuit of a common-emitter amplifier is shown in Fig. 12. Derive expressions for the following small-signal quantities. (i) The small-signal voltage gain A, = Vout Vin Vin = iin (ii) The small-signal input resistance Rin (iii) The small-signal output resistance Rout iin Vin RB ib RE Bib Vout RL Figure 12: Small-signal equivalent circuit of a common-emitter amplifier.

5. (a) A transistor amplifier is shown in Fig. 11. Draw the small-signal equivalent circuit of this amplifier. Make sure you simplify your equivalent circuit as much as possible. + Vin Vcc RC1 RF RC2 + C2 J C₁ RL Vout Figure 11: Transistor amplifier. (b) The small-signal equivalent circuit of a common-emitter amplifier is shown in Fig. 12. Derive expressions for the following small-signal quantities. (i) The small-signal voltage gain A, = Vout Vin Vin = iin (ii) The small-signal input resistance Rin (iii) The small-signal output resistance Rout iin Vin RB ib RE Bib Vout RL Figure 12: Small-signal equivalent circuit of a common-emitter amplifier.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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A field effect transistor (FET) A. Uses a forward bias p-n junction, B. Uses a high concentration emitter junction, C. Has a very high input resistance, D. Depends on flow of minority carrier. As compared to transistor amplifier JFET amplifier has A. Higher voltage gain, less input impedance, B. Less voltage gain, less input impedance, C. Less voltage gain, higher input impedance, D. Higher voltage gain, higher input impedance. The pinch off voltage is the voltage A. At which gate source junction breaks down, B. Which causes depletion regions to meet, C. The voltage applied between drain & source, D. Neither of these. O If properly biased JFET acts as A. Current controlled current source, B. Voltage controlled voltage source, C. Voltage controlled current source, D. Current controlled voltage source.
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can u explain this to me
QUESTION 1 a) As an electronics engineer, you are given a task to design power amplifier using the Bipolar Junction Transistor (BJT). You are required to get the efficiency of the power amplifier up to 78.5%. Suggest the selected power amplifier's class and sketch the circuit. Discuss one problem that commonly arise with the selected power amplifier and propose the method to improve it. b) One of the commonly used model in small signal ac analysis of transistor network is re model. Explain the steps to obtain the ac equivalent network by sketching the appropriate circuit diagram.
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How to solve problem d ？