VCC(V):15ICsat(mA):8Beta:150 Activity outcome:-Use simulation tools (virtual-experiment) to perform analysis onrelated circuitry(Course Learning Outcome(CLO) no. 3).-Types of simulation involved are:a) DC simulationb) AC sweepScope of work:Part 1:1.1 Design a voltage divider bias (Figure 1) circuit for NPN BJT amplifier (virtual BJT: Beta canbe changed). Every student is assigned with different specification (refer Appendix A). Ideally theQ-point of the bias circuit should be located at the middle of the load line.1.2 The result of this partthe values of R1, R2, Rc and RE.VccR1RcIcQR2REFigure 1: Voltage Divider Bias Circuit Part 2:2.1 Based on the calculation in Part 1, choose the practical/standard resistor value by referring toAppendix B.2.2 By using the standard resistor values, construct the circuit in Figure 1 and simulate (DCsimulation) to obtain the Icq and VCEQ.2.3 For the simulation, you need to add current meter (series connection at collector terminal) andvoltage meter (parallel connection between collector and emitter).2.4 Discuss the result by commenting whether the obtained Q-point is suitable for the amplifierapplication.Part 3:3.1 Add AC source with source resistor and loato the amplifier circuit with capacitive coupling(Figure 2). Add also bypass capacitor. Use the capacitor and load values shown in Figure 2.3.2 Simulate the frequency response (maximum range: 1 Hz to 10GHZ). AC SWEEPSIMULATION3.3 Show the Bode plot (Voltage gain (unit dB) against frequency).3.4 Analyze and discuss the amplifier performance (e.g. Mid-band voltage gain, low cut-offfrequency, high cut-off frequency. Note that in some cases, the high cut off frequency cannot beidentified within the above frequency range.VccC20.5µFR1С2002 5µFRcsource+RL2kΩVsC3R2RESµFFigure 2: Common-Emitter Amplifier Circuit

Solution Part 1 : VB = V x R2R1+R2 , R1∥R2 = R1xR2R1+R2 =Rth So equivalent circuit IB =…

Activity outcome: -Use simulation tools (virtual-experiment) to perform analysis on related circuitry (Course Learning Outcome(CLO) no. 3). -Types of simulation involved are: a) DC simulation b) AC sweep Scope of work: Part 1: 1.1 Design a voltage divider bias (Figure 1) circuit for NPN BJT amplifier (virtual BJT: Beta can be changed). Every student is assigned with different specification (refer Appendix A). Ideally the Q-point of the bias circuit should be located at the middle of the load line. 1.2 The result of this part is the values of R1, R2, Rc and RE. Vcc to R1 Rc IcQ R2 RE Figure 1: Voltage Divider Bias Circuit

Activity outcome: -Use simulation tools (virtual-experiment) to perform analysis on related circuitry (Course Learning Outcome(CLO) no. 3). -Types of simulation involved are: a) DC simulation b) AC sweep Scope of work: Part 1: 1.1 Design a voltage divider bias (Figure 1) circuit for NPN BJT amplifier (virtual BJT: Beta can be changed). Every student is assigned with different specification (refer Appendix A). Ideally the Q-point of the bias circuit should be located at the middle of the load line. 1.2 The result of this part is the values of R1, R2, Rc and RE. Vcc to R1 Rc IcQ R2 RE Figure 1: Voltage Divider Bias Circuit

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter25: Television, Telephone, And Low-voltage Signal Systems

Section25.1: Television Circuit

Problem 5R: From a cost standpoint, which system is more economical to install: a master amplifier distribution...

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