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IV. Problem (20 points) For the two-stage capacitively coupled amplifier shown in Fig.4, assume the parameters...
Problem 2 (10 points) In the amplifier shown in Fig. 2(a), assume Fig. 2(b) that I4 is ideal. Do not ignore the ro of t...
Problem 2 (10 points) In the amplifier shown in Fig. 2(a), assume Fig. 2(b) that I4 is ideal. Do not ignore the ro of the transistors for this problem, but you can assume that Ri is much smaller than any transistor o I1 and I2 ideal current sources. Also, assume in are (a) Find the small signal differential gain out/vdm of the Fig. 2(a) amplifier in terms of the appropriate small-signal parameters. Then express your answer in terms of appropriate...
Questions s-11 refer to the multi-stage amplifier shown. + (β + 1)R h(1 + B.R) to make thern a li...
Questions s-11 refer to the multi-stage amplifier shown. + (β + 1)R h(1 + B.R) to make thern a little simpler. Clain expressions use the small approximation 5. What is the function of transistor Qs? CB gain stage (ii) CC buffer VEE (iii) CE gain stage (iv) active load for Qio (v) current source for Qio 6. What is the function of transistor Qio? Gii) current source for Qs (Ciii) CE gain stage (iv) active load for Qs (v) both...
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...
3. In the cascaded arrangement of two amplifiers shown below, the second stage acts as the...
3. In the cascaded arrangement of two amplifiers shown below,
the second stage acts as the load for the first stage.
[Please be clear and consicese or don't answer]
3. In the cascaded arrangement of two amplifiers shown below, the second stage acts as the load for the first stage Vec-15V Rs 12k2 4.7uF Ct C1 4.7uF RL 5k2 Q1) β=150 To 40 k Q2) α-0.995 To 500 k2 R2 3k22 Ra 0.75k2 Ca 6.2kΩ stage one stage two a)...
4. In the cascaded arrangement of two amplifiers shown below, the second stage acts as the load f...
4. In the cascaded arrangement of two amplifiers shown below, the second stage acts as the load for the first stage. Vcc 15V R1 C R5 1.5k2 C2 4.7uF 75(2 Vi Q1) β-150 To40 k2 Q2) α: 0.995 5k2 Vsia(ヘ R6 6.2kΩ R4 Ra stage one stage two a) What type of amplifier is stage one? b) Find the DC values of IB, Ic, and VcE for stage one. c) Determine Ri, Ro, and Avnl for stage one. d) What...
Please show a detail explanation on the solution. Thanks in advance 4.117 The amplifier of Fig....
Please show a detail explanation on the solution. Thanks in
advance
4.117 The amplifier of Fig. P4.117 consists of two identical common-e that the input resistance of the second stage, R2, constitutes the load resistance of the first stage mitter amplifiers connected in cascade. Observe = 6.8 kΩ and β= 100, determine the dc collector current and de collector voltage of each transistor (b) Draw the small-signal equivalent circuit of the entire amplifier and give the values of al its...
Problem #5 (20 points) n the two stage cascade amplifier circuit shown below, the MOSFET has...
Problem #5 (20 points) n the two stage cascade amplifier circuit shown below, the MOSFET has V IV and k-0s mA/ and the BIT has p 100 a) Perform the DC analysis of this circuit and based on the appropriate DC current values, calculate the small signal parameters for each transistor. b) Replace each transistor with its appropriate small signal model (neglecting ro) and draw the resulting smali- signal circuit for this amplifier circuit. HINT: You may use the T-model...
pls answer all and asap.tqvm. (a) () What is the significant used of multistage amplifier compared...
pls
answer all and asap.tqvm.
(a) () What is the significant used of multistage amplifier compared to single stage amplifier? (2 marks) (ii) In terms of circuit connection, how to differentiate between direct and capacitively coupled amplifier circuit? (1 mark) (ii) Give a reason why the capacitively coupled amplifier circuit is not suitable for amplifying DC voltage? (2 marks) (b) The multistage amplifier circuit of Figure Q.3 have the following parameters: Q1, Q2: B = 200, VBE = 0.7 V,....
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%...
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...
Problem 2 (10 points) In the amplifier shown in Fig. 2(a), assume Fig. 2(b) that I4 is ideal. Do not ignore the ro of the transistors for this problem, but you can assume that Ri is much smaller than any transistor o I1 and I2 ideal current sources. Also, assume in are (a) Find the small signal differential gain out/vdm of the Fig. 2(a) amplifier in terms of the appropriate small-signal parameters. Then express your answer in terms of appropriate...
Questions s-11 refer to the multi-stage amplifier shown. + (β + 1)R h(1 + B.R) to make thern a little simpler. Clain expressions use the small approximation 5. What is the function of transistor Qs? CB gain stage (ii) CC buffer VEE (iii) CE gain stage (iv) active load for Qio (v) current source for Qio 6. What is the function of transistor Qio? Gii) current source for Qs (Ciii) CE gain stage (iv) active load for Qs (v) both...
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...
3. In the cascaded arrangement of two amplifiers shown below,
the second stage acts as the load for the first stage.
[Please be clear and consicese or don't answer]
3. In the cascaded arrangement of two amplifiers shown below, the second stage acts as the load for the first stage Vec-15V Rs 12k2 4.7uF Ct C1 4.7uF RL 5k2 Q1) β=150 To 40 k Q2) α-0.995 To 500 k2 R2 3k22 Ra 0.75k2 Ca 6.2kΩ stage one stage two a)...
4. In the cascaded arrangement of two amplifiers shown below, the second stage acts as the load for the first stage. Vcc 15V R1 C R5 1.5k2 C2 4.7uF 75(2 Vi Q1) β-150 To40 k2 Q2) α: 0.995 5k2 Vsia(ヘ R6 6.2kΩ R4 Ra stage one stage two a) What type of amplifier is stage one? b) Find the DC values of IB, Ic, and VcE for stage one. c) Determine Ri, Ro, and Avnl for stage one. d) What...
Please show a detail explanation on the solution. Thanks in
advance
4.117 The amplifier of Fig. P4.117 consists of two identical common-e that the input resistance of the second stage, R2, constitutes the load resistance of the first stage mitter amplifiers connected in cascade. Observe = 6.8 kΩ and β= 100, determine the dc collector current and de collector voltage of each transistor (b) Draw the small-signal equivalent circuit of the entire amplifier and give the values of al its...
Problem #5 (20 points) n the two stage cascade amplifier circuit shown below, the MOSFET has V IV and k-0s mA/ and the BIT has p 100 a) Perform the DC analysis of this circuit and based on the appropriate DC current values, calculate the small signal parameters for each transistor. b) Replace each transistor with its appropriate small signal model (neglecting ro) and draw the resulting smali- signal circuit for this amplifier circuit. HINT: You may use the T-model...
pls
answer all and asap.tqvm.
(a) () What is the significant used of multistage amplifier compared to single stage amplifier? (2 marks) (ii) In terms of circuit connection, how to differentiate between direct and capacitively coupled amplifier circuit? (1 mark) (ii) Give a reason why the capacitively coupled amplifier circuit is not suitable for amplifying DC voltage? (2 marks) (b) The multistage amplifier circuit of Figure Q.3 have the following parameters: Q1, Q2: B = 200, VBE = 0.7 V,....
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%...
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...
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