Homework Answers
PRACTICAL CIRUCIT:
INPUT WAVEFORM:
OUTPUT WAVEFORM:
OBSERVATIONS:
THE PRACTICAL OUTPUT VOLATGE: 2V
THE THEORITICAL OUTPUT VOLATGE = 1.86 V
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A single stage common emitter amplifier is shown in figure 1 200 kO 370 2 Output...
You are required to design a 2-stage voltage amplifier (find values for RE, RC1, RC2) to meet the following criteria: an...
You are required to design a 2-stage voltage amplifier (find
values for RE, RC1, RC2) to meet the following criteria: an input
resistance of 400 kΩ and an overall voltage gain equal to or
greater than 250, with a resistor output load, RL. Use a
common-emitter with emitter degradation (RE) stage for the input,
followed by a commonemitter amplifier with bias current equal to
0.5 mA. (VCC = 20 V, βo = 200 and the DC levels of the first...
Q1. For the cascade amplifier circuit shown in Fig (1): a) What are the functions of the capacitors C, C2 and C3? And w...
Q1. For the cascade amplifier circuit shown in Fig (1): a) What are the functions of the capacitors C, C2 and C3? And what are the functions of the capacitors Cs and CE? b) What are the functions of the resistors RD and Rc? c) Draw the DC biasing circuits for each stage. d) Find loa, VGsa, VDs and gm for the JFET stage (you may use either mathematical or graphical methods) e) Calculate l, Ic, le and Ve for...
four parts required A transistor is used in common-emitter mode in an amplifier circuit. When a...
four parts required
A transistor is used in common-emitter mode in an amplifier circuit. When a signal of 24 mV is added to the base-emitter voltage, the base current changes by 32 mu A and collector current by 3-6 in A. The load resistance is 4.8 k ohm. Calculate (i) the current gain beta?, (ii) the input resistance Rbe, (iii) the transconductance gm and (iv) voltage Rain A
Can I get help with part g through part r, please? Given the following Common-Emitter Amplifier...
Can I get help with part g through part r, please?
Given the following Common-Emitter Amplifier with Voltage-Divider Bias: The transistor is a Silicon device with B160 (Beta 160) and transistor r.= 30 kn: 20 V 34.7k LAL = Vou 35.10 31.1k LRE $3900 03 - Find the following quantities in parts a through where means Quiescent DC): a) Thevenin Voltage and Thevenin Resistance Re b) Base Current la Collector Current le d) Emitter Current le e) Transistor Collector-Emitter Quiescent...
8.4 a) b) Please solve Test Your Understanding TYU 8.4 For the common-emitter output stage shown...
8.4 a) b) Please solve
Test Your Understanding TYU 8.4 For the common-emitter output stage shown in Figure 8.16(a), let Vcc = 12 V and RL = 1 k12. Assume the transistor Q-point is in the center of the load line. (a) Determine the quiescent power dissipated in the transistor. (b) Assume the sinusoidal output voltage is limited to a 9V peak-to-peak value. Determine (i) the average signal power delivered to the load, (ii) the power conversion efficiency, and (iii)...
1. Consider the CMOS source follower (or common drain) amplifier shown below. The NMOS transistor...
1. Consider the CMOS source follower (or common drain) amplifier shown below. The NMOS transistor operates in the saturation region. C, C2 are coupling capacitors. 「en C2 Rs 2ok The small-signal model for NMOS transistor is given below gnUgs The parameters are given below: (1) Please derive the complete small-signal circuit for the amplifier (10pts). (2) Apply Miller Effect to the small-signal circuit from step (1) to estimate the 3dB bandwidth of the amplifier. (Note: applying Miller Effect introduces a...
A common-emitter BJT amplificr is shown in Fig.8.1. Note the DC biasing values and the BJTsmall-s...
A common-emitter BJT amplificr is shown in Fig.8.1. Note the DC biasing values and the BJTsmall-signalmodel parameters from the class-signment #9 on DC Bia ing. Neglect the value of Rs in your calculations, k1 Rs-a k2: 1· Cal ulatethesmall-agalpannetas ofthe amplifi randcompletethecalculated valuesinTable8-1 Smalls-signal voltage gai, AVk Small-signal input resistance,k, Small-signaloutput resistance, Ro VW RC 2k C2 RB 570k Rs C1 1 10uP 0.1m 1 Vs CE RE 2k SINE(0 1mV 1kHz 0 0 00) tran 0 2ms 0 1us...
1.0 kn. RE-390 Ω, r-15 Ω. and ßac-75. 5. For a common-emitter amplifier, Rc Assuming that Rg is completely bypassed at the operating frequency, the voltage gain is (a) 66.7 (d) 75 (b) 2.56 (c) 2....
1.0 kn. RE-390 Ω, r-15 Ω. and ßac-75. 5. For a common-emitter amplifier, Rc Assuming that Rg is completely bypassed at the operating frequency, the voltage gain is (a) 66.7 (d) 75 (b) 2.56 (c) 2.47 6. In the circuit of Question 5, if the frequency is reduced to the point where Xctbypass) RE, the voltage gain (a) remains the same (b) is less (c) is greater 7. In a common-emitter amplifier with voltage-divider bias, Rimlbase) 68 k2, Ri 33...
1 (70 points) In the following multi-stage amplifier input and output of the amplifier as well as...
1 (70 points) In the following multi-stage amplifier input and output of the amplifier as well as the feedback resistance (RF) were AC coupled to nodes through the coupling capacitances (Ce-100uF). W/L)2 55/0.25u VAA R2 M1 Xin R, VI M2 Ri Ro a. (20 points) Calculate the bias currents of IpS,MI, IDS M2, IR2 and the total DC power consumption of the circuit assuming Ro Determine the operation regions of the transistors. (20 points) Find the type and polarity of...
29. Identify the type of third stage amplifier: a) inverting amplifier; b) differential amplifier with passi load; c) differential amplifier with current mirror load; d) emitter follower; e...
29. Identify the type of third stage amplifier: a) inverting amplifier; b) differential amplifier with passi load; c) differential amplifier with current mirror load; d) emitter follower; e) none of above; 30. The Vsg of Q5 should be: a)-1V, b)-0.85% c) 0.65% d)0.85% env 31. To obtain IREF-30μΑ , the value of R should be: a)250ohm; b)25Kohm; c)250Kohm; d)2.5Mohm; e 5Mohm. network is composed by 4 identical phase shifter. The phase shift of each phase shifter in degree should be...
You are required to design a 2-stage voltage amplifier (find
values for RE, RC1, RC2) to meet the following criteria: an input
resistance of 400 kΩ and an overall voltage gain equal to or
greater than 250, with a resistor output load, RL. Use a
common-emitter with emitter degradation (RE) stage for the input,
followed by a commonemitter amplifier with bias current equal to
0.5 mA. (VCC = 20 V, βo = 200 and the DC levels of the first...
Q1. For the cascade amplifier circuit shown in Fig (1): a) What are the functions of the capacitors C, C2 and C3? And what are the functions of the capacitors Cs and CE? b) What are the functions of the resistors RD and Rc? c) Draw the DC biasing circuits for each stage. d) Find loa, VGsa, VDs and gm for the JFET stage (you may use either mathematical or graphical methods) e) Calculate l, Ic, le and Ve for...
four parts required
A transistor is used in common-emitter mode in an amplifier circuit. When a signal of 24 mV is added to the base-emitter voltage, the base current changes by 32 mu A and collector current by 3-6 in A. The load resistance is 4.8 k ohm. Calculate (i) the current gain beta?, (ii) the input resistance Rbe, (iii) the transconductance gm and (iv) voltage Rain A
Can I get help with part g through part r, please?
Given the following Common-Emitter Amplifier with Voltage-Divider Bias: The transistor is a Silicon device with B160 (Beta 160) and transistor r.= 30 kn: 20 V 34.7k LAL = Vou 35.10 31.1k LRE $3900 03 - Find the following quantities in parts a through where means Quiescent DC): a) Thevenin Voltage and Thevenin Resistance Re b) Base Current la Collector Current le d) Emitter Current le e) Transistor Collector-Emitter Quiescent...
8.4 a) b) Please solve
Test Your Understanding TYU 8.4 For the common-emitter output stage shown in Figure 8.16(a), let Vcc = 12 V and RL = 1 k12. Assume the transistor Q-point is in the center of the load line. (a) Determine the quiescent power dissipated in the transistor. (b) Assume the sinusoidal output voltage is limited to a 9V peak-to-peak value. Determine (i) the average signal power delivered to the load, (ii) the power conversion efficiency, and (iii)...
1. Consider the CMOS source follower (or common drain) amplifier shown below. The NMOS transistor operates in the saturation region. C, C2 are coupling capacitors. 「en C2 Rs 2ok The small-signal model for NMOS transistor is given below gnUgs The parameters are given below: (1) Please derive the complete small-signal circuit for the amplifier (10pts). (2) Apply Miller Effect to the small-signal circuit from step (1) to estimate the 3dB bandwidth of the amplifier. (Note: applying Miller Effect introduces a...
A common-emitter BJT amplificr is shown in Fig.8.1. Note the DC biasing values and the BJTsmall-signalmodel parameters from the class-signment #9 on DC Bia ing. Neglect the value of Rs in your calculations, k1 Rs-a k2: 1· Cal ulatethesmall-agalpannetas ofthe amplifi randcompletethecalculated valuesinTable8-1 Smalls-signal voltage gai, AVk Small-signal input resistance,k, Small-signaloutput resistance, Ro VW RC 2k C2 RB 570k Rs C1 1 10uP 0.1m 1 Vs CE RE 2k SINE(0 1mV 1kHz 0 0 00) tran 0 2ms 0 1us...
1.0 kn. RE-390 Ω, r-15 Ω. and ßac-75. 5. For a common-emitter amplifier, Rc Assuming that Rg is completely bypassed at the operating frequency, the voltage gain is (a) 66.7 (d) 75 (b) 2.56 (c) 2.47 6. In the circuit of Question 5, if the frequency is reduced to the point where Xctbypass) RE, the voltage gain (a) remains the same (b) is less (c) is greater 7. In a common-emitter amplifier with voltage-divider bias, Rimlbase) 68 k2, Ri 33...
1 (70 points) In the following multi-stage amplifier input and output of the amplifier as well as the feedback resistance (RF) were AC coupled to nodes through the coupling capacitances (Ce-100uF). W/L)2 55/0.25u VAA R2 M1 Xin R, VI M2 Ri Ro a. (20 points) Calculate the bias currents of IpS,MI, IDS M2, IR2 and the total DC power consumption of the circuit assuming Ro Determine the operation regions of the transistors. (20 points) Find the type and polarity of...
29. Identify the type of third stage amplifier: a) inverting amplifier; b) differential amplifier with passi load; c) differential amplifier with current mirror load; d) emitter follower; e) none of above; 30. The Vsg of Q5 should be: a)-1V, b)-0.85% c) 0.65% d)0.85% env 31. To obtain IREF-30μΑ , the value of R should be: a)250ohm; b)25Kohm; c)250Kohm; d)2.5Mohm; e 5Mohm. network is composed by 4 identical phase shifter. The phase shift of each phase shifter in degree should be...
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