5. Figure 10 shows a single-transistor common-emitter amplifier with capacitive coupling and a re- sistive load RL. Vin + C₁ R₁ 78 k 100 μF 781 RC 3.5 k 3.5 C2 HH 100 μF Vout 50 ΚΩ RL R2 10 k RE 500 Ω Figure 10: Transistor amplifier. 15 V+Vcc (a) Carefully draw the small-signal equivalent circuit of this amplifier. Make sure you simplify your equivalent circuit as much as possible. (b) Derive symbolic expressions for the following small-signal quantities. (i) The small-signal voltage gain Av. (ii) The small-signal input resistance Rin (c) A DC analysis of the circuit reveals the collector and base bias currents to be Ic = 2mA and IB = 16 μA respectively. Find numerical values for A, and Rin assuming that the thermal voltage is VT 26 mV. =

5. Figure 10 shows a single-transistor common-emitter amplifier with capacitive coupling and a re- sistive load RL. Vin + C₁ R₁ 78 k 100 μF 781 RC 3.5 k 3.5 C2 HH 100 μF Vout 50 ΚΩ RL R2 10 k RE 500 Ω Figure 10: Transistor amplifier. 15 V+Vcc (a) Carefully draw the small-signal equivalent circuit of this amplifier. Make sure you simplify your equivalent circuit as much as possible. (b) Derive symbolic expressions for the following small-signal quantities. (i) The small-signal voltage gain Av. (ii) The small-signal input resistance Rin (c) A DC analysis of the circuit reveals the collector and base bias currents to be Ic = 2mA and IB = 16 μA respectively. Find numerical values for A, and Rin assuming that the thermal voltage is VT 26 mV. =

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...

See similar textbooks

Similar questions

Assume VRE 0.7 V and B-50 for the transistor in the circuit shown in the figure. For VCE = 2 V, the value of Rg is RB m B +12 V www Rc- 5 k C E VCE
The term "Bipolar" in Bipolar Junction Transistor (BJT) refers to 5 Ja) Two junctions c) Two polarity carriers (electrons & holes) b) Two Diodes d) Two resistances negative of dinda b' nositivo
A stabilization circuit has a stability factor of 0.04 and an internal resistance of 5 2. The unstabilized voltage can vary between 75 and 100 V, and the load current can vary from 40 to 80 mA. Determine the maximum and minimum values for the stabilized load voltage.
The transistor shown in the crout below has a oument gain of p-100. You may assume the voltage between the base and the emer is 0.7V Calculate the collector voltage V 1820 ΚΩ b 3.5k Vc=? 20 9V
Design a bias circuit for NPN silicon transistor having a nominal B-100 to be used in voltage divider circuit with Q-point of Ic 10 mA and VCE= 10 V. Use standard valued 5% resistors and draw a schematic %3D diagram of your design
A base bias method is used in the following circuit. For Bpc - 300, the value of emitter current is: -Vc. +15 V Rc 1.8 k2 RB 560 k2 7.82 mA O 6.84 mA O 7.27 mA
Q.) Figure below divider bras amplifier Circuit. Givent the model Parameter : gm = 5o mS emitter (CE) Voltage BJT hibrid- TT Shows a Common riT: 6 Kr and to %3D : 00 +Vc. RI C2 Tooks touf RL Vo ihe 200 RE TCE Vs 20 a Draw the Ac eQuivalent at low Freauency Circuit Zi and b.) Determine inPut impedance at mid FreaUincy OutPut imPedance Z0 c.) Calculafe two low Cut -oFF FreQuen Cies FLC1 and FLC2 Ci and E2 respectively Such as due to the exterda al capacitors
For the circuit given in figure below draw the collector characteristic curves for IB = 50,150 and 250 micro amperes on the same graph
how to draw the small-signal model
An N-channel JFET has IDSS = 12 mA and a transconductance of 4mA/V when VGS = 0V.a. Find the pinch-off voltage VP b. Fid the drain current when VGS = -2V.
For a common-collector amplifier, RE = 1002, r'e 10N, and B0ac = 150. The ac input resistance at the base is 110 N 16.5 kN 1500 N 15 kN
Vec +12V Re 1kS2 Re 470k2 BC107 Vc Ve Figure 3: Practical Fixed Bias Transistor Circuit 2. Measure the DC voltages Vc and VB using digital multi-meters. Determine the quiescent base current, collector current, and collector- emitter voltage.