![QUESTION 2 [Total 20 Marks] Figure 2.1 presents the BJT amplifiers DC biasing voltages (PSpice Biasing Point simulation). In your evaluation assume that ANSWER: the output resistance of the BJT Q1 is infinite a)-29.4x105 A/V Establish the slope of the DC load line Establish the slope of the AC load line Sketch the DC and AC load lines directly on the transistors Ic vs Vc plot provided in Figure 2.2 a) b) c) [3 marks] 3 marks] b)-75.8x10-3 A/ [10 marks] d) Evaluate the maximum swing of the AC output voltage for d)±2.8 V the amplifier of Figure 2.1 [4 marks] 15.00V Figure 2.1 R122 Rc 10.31V 01 10u ?? 15V Q2N2222 Vcc 0V 238V Vs RL3.3k Rb26.2k Re1.2k 10uV Ce 10u](http://img.homeworklib.com/questions/fcd61f80-b88e-11ea-9d62-c51cbc36e841.png?x-oss-process=image/resize,w_560)
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QUESTION 2 [Total 20 Marks] Figure 2.1 presents the BJT amplifier's DC biasing voltages (PSpice Biasing...
Problem 2: BJT Small-Signal Voltage Amplifiers in the lectures, we covered in detail the analysis of an npn BJT amplifier that utilizes a single-supply DC biasing. In this problem, you will meet...
Problem 2: BJT Small-Signal Voltage Amplifiers in the lectures, we covered in detail the analysis of an npn BJT amplifier that utilizes a single-supply DC biasing. In this problem, you will meet two additional amplifier architectures- one that is based on dual DC supplies combined with a DC current source, and the other that utilizes a pnp BJT with single-supply biasing. In both problems (below) you need to manually find the amplifier's Q-point (that is, the DC values of Ic...
Problem 2: BJT Small-Signal Voltage Amplifiers In the lectures, we covered in detail the analysis...
Problem 2: BJT Small-Signal Voltage Amplifiers In the lectures, we covered in detail the analysis of an npn BJT amplifier that utilizes a single-supply DC biasing. In this problem, you wi meet two additional amplifier architectures-one that is based on dual DC supplies combined with a DC current source, and the other that utilizes a pnp BJT with single-supply biasing In both problems (below) you need to manually find the amplifier's Q-point (that is, the DC values of Ic and...
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...
Design a BJT amplifier based on the specifications provided in the table below. Your design shoul...
THE STEPS TO DO SO:
Design a BJT amplifier based on the specifications provided in the table below. Your design should be insensitive to β variations, and both the input and the output should be AC coupled as in Fig. 1. Supply Voltage, Vcc Load Resistance, RL Transistor's Current Gain, β Relative Variation of lc for VBE-0.7 ± 0.1 V 0-to-Peak Output Swing, Vo Voltage Gain, A Input Resistance, R THD for 5kHz IV (0-to-peak) Sine Wave Output Voltage, V。S5%...
QUESTION4 Total 24 Marks] For the amplifier circuit shown in Figure 4, assume the input signal...
QUESTION4 Total 24 Marks] For the amplifier circuit shown in Figure 4, assume the input signal V has zero DC component. Assume both transistors have p-100. (a) State the type of feedback topology used in the amplifier circuit and which type of 12 marks] amplifier is shown in the figure. (b Determine the DC voltages at all nodes of transistors Q1 and Q2. and the DC currents 18 marks] at the emitters of transistors Q1 and Q2 (c) Use the...
Q2) Please show all working Thank you :) Question 2 (25 Marks) (a) (6 Marks) Bias...
Q2)
Please show all working
Thank you :)
Question 2 (25 Marks) (a) (6 Marks) Bias the CE amplifier in Figure 2 to have IE = 1mA. Assume B-100, VBE(On) = 0.7 V, Vcc = 15V, VEE= -15V and RB = 100kQ. List all node voltages, currents and resistor values. (b) (10 Marks) Draw the small-signal model for the CE amplifier in Figure 2 Determine the input resistance, output resistance and gain of the amplifier. Assume VA = 100V, RL...
QUESTION 2: (20 MARKS) +5 V X2 71 QA X2 ×10 5 V Figure Q2.1 The...
QUESTION 2: (20 MARKS) +5 V X2 71 QA X2 ×10 5 V Figure Q2.1 The circuit shown in Figure Q2.1, is a multistage amplifier with a differential input stage It uses a folded cascode involving transistor Q3. Note that transistor Q5 operates in class B mode and is off at the quiescent point, while Q4 is ON at the quiescent point with QD sinking its bias current. All transistors have Vad-0.7V, VA-200 V, and β-100 a) Perform a dc...
choose one of the multiple choice answers above. please show all work Question: 10 CIRCUIT Y...
choose one of the multiple choice answers above.
please show all work
Question: 10 CIRCUIT Y FIG.10 (5 Marks) Statement: Consider the RC-coupled amplifier circuit illustrated in Fig. 10 (CIRCUIT Y). Sketching relevant output (Vc-Ic) characteristics, decide Q-point coordinates and DC load-line details (of the NPN-BJT/Si circuit of Fig. 10 of Circuit Y). Further, establish an appropriate AC-load line and decide the maximum swing of the output voltage across Rload with respect to the Q-point. Assume the input signal at...
Q.A. 2 -Statement: DC biasing of a CE amplifier circuit is as in Fig.2 Assume the...
Q.A. 2 -Statement: DC biasing of a CE amplifier
circuit is as in Fig.2 Assume the parameters, VCC
= 12 volt, RE = 450 ohm; = 100; RL = 2250 ohm, RC =1000 ohm and
source resistance and Rs = 2500 ohm. Also, the device emitter
resistance re is negligible.
The amplifier is excited by a source, vs(t) = Vm × sin(2ft)
with Vm = 500 mV peak and f = 5500 Hz; and, coupling and by-pass
capacitors can...
please pick one of the multiple choice options above. show all work, thank you Question 9...
please pick one of the multiple choice options above.
show all work, thank you
Question 9 CIRCUIT X/FIG.9 (5 Marks) Statement: Consider the RC-coupled amplifier circuit illustrated in Fig. 9 (CIRCUIT X). Sketching relevant output (Vc-Ic) characteristics that decide Q-point coordinates and DC load-line details (of the NPN-BJT/Si circuit of Fig. 9 of Circuit X) Further, establish an appropriate AC-load line and decide the maximum swing of the output voltage across Rload with respect to the Q-point. Assume the input...
Problem 2: BJT Small-Signal Voltage Amplifiers in the lectures, we covered in detail the analysis of an npn BJT amplifier that utilizes a single-supply DC biasing. In this problem, you will meet two additional amplifier architectures- one that is based on dual DC supplies combined with a DC current source, and the other that utilizes a pnp BJT with single-supply biasing. In both problems (below) you need to manually find the amplifier's Q-point (that is, the DC values of Ic...
Problem 2: BJT Small-Signal Voltage Amplifiers In the lectures, we covered in detail the analysis of an npn BJT amplifier that utilizes a single-supply DC biasing. In this problem, you wi meet two additional amplifier architectures-one that is based on dual DC supplies combined with a DC current source, and the other that utilizes a pnp BJT with single-supply biasing In both problems (below) you need to manually find the amplifier's Q-point (that is, the DC values of Ic and...
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...
THE STEPS TO DO SO:
Design a BJT amplifier based on the specifications provided in the table below. Your design should be insensitive to β variations, and both the input and the output should be AC coupled as in Fig. 1. Supply Voltage, Vcc Load Resistance, RL Transistor's Current Gain, β Relative Variation of lc for VBE-0.7 ± 0.1 V 0-to-Peak Output Swing, Vo Voltage Gain, A Input Resistance, R THD for 5kHz IV (0-to-peak) Sine Wave Output Voltage, V。S5%...
QUESTION4 Total 24 Marks] For the amplifier circuit shown in Figure 4, assume the input signal V has zero DC component. Assume both transistors have p-100. (a) State the type of feedback topology used in the amplifier circuit and which type of 12 marks] amplifier is shown in the figure. (b Determine the DC voltages at all nodes of transistors Q1 and Q2. and the DC currents 18 marks] at the emitters of transistors Q1 and Q2 (c) Use the...
Q2)
Please show all working
Thank you :)
Question 2 (25 Marks) (a) (6 Marks) Bias the CE amplifier in Figure 2 to have IE = 1mA. Assume B-100, VBE(On) = 0.7 V, Vcc = 15V, VEE= -15V and RB = 100kQ. List all node voltages, currents and resistor values. (b) (10 Marks) Draw the small-signal model for the CE amplifier in Figure 2 Determine the input resistance, output resistance and gain of the amplifier. Assume VA = 100V, RL...
QUESTION 2: (20 MARKS) +5 V X2 71 QA X2 ×10 5 V Figure Q2.1 The circuit shown in Figure Q2.1, is a multistage amplifier with a differential input stage It uses a folded cascode involving transistor Q3. Note that transistor Q5 operates in class B mode and is off at the quiescent point, while Q4 is ON at the quiescent point with QD sinking its bias current. All transistors have Vad-0.7V, VA-200 V, and β-100 a) Perform a dc...
choose one of the multiple choice answers above.
please show all work
Question: 10 CIRCUIT Y FIG.10 (5 Marks) Statement: Consider the RC-coupled amplifier circuit illustrated in Fig. 10 (CIRCUIT Y). Sketching relevant output (Vc-Ic) characteristics, decide Q-point coordinates and DC load-line details (of the NPN-BJT/Si circuit of Fig. 10 of Circuit Y). Further, establish an appropriate AC-load line and decide the maximum swing of the output voltage across Rload with respect to the Q-point. Assume the input signal at...
Q.A. 2 -Statement: DC biasing of a CE amplifier
circuit is as in Fig.2 Assume the parameters, VCC
= 12 volt, RE = 450 ohm; = 100; RL = 2250 ohm, RC =1000 ohm and
source resistance and Rs = 2500 ohm. Also, the device emitter
resistance re is negligible.
The amplifier is excited by a source, vs(t) = Vm × sin(2ft)
with Vm = 500 mV peak and f = 5500 Hz; and, coupling and by-pass
capacitors can...
please pick one of the multiple choice options above.
show all work, thank you
Question 9 CIRCUIT X/FIG.9 (5 Marks) Statement: Consider the RC-coupled amplifier circuit illustrated in Fig. 9 (CIRCUIT X). Sketching relevant output (Vc-Ic) characteristics that decide Q-point coordinates and DC load-line details (of the NPN-BJT/Si circuit of Fig. 9 of Circuit X) Further, establish an appropriate AC-load line and decide the maximum swing of the output voltage across Rload with respect to the Q-point. Assume the input...
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