Draw the ac equivalent circuit for the amplifier shown. Indicate all component values clearly
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Draw the ac equivalent circuit for the amplifier shown. Indicate
all component values clearly
QUESTION 4...
QUESTION5 The small-signal ac equivalent cireuit of a transistor amplifier with collector feedback is shown in...
QUESTION5 The small-signal ac equivalent cireuit of a transistor amplifier with collector feedback is shown in the figure below. Assume the following circuit values: B- 200, re" i i o. RF-180 kn. Rc" 2.7 ?, RO-3.3 ?, ??-?2 = 10 ?? If the input voltage Vi-5 co (90 t) mv. determine the magnitude of the steady-state ac output voltage Vo (in mV), across the output load resistor Ro. Hint: Use node analysis to find the output node voltage, and note...
The ac equivalent circuit for an amplifier is shown in Fig. P13.59. Assume the capacitors have...
The ac equivalent circuit for an amplifier is shown in Fig. P13.59. Assume the capacitors have infinite value, R1 = 750 Ω, RB = 100 kQ, Rc = 62 kQ, and R3 100 kS2. Calculate the voltage gain and input resistance for the amplifier if the BJT Q-point is (40 μΑ, 10 V). Assume β,-100 and V,-75 V. 13.59 / 1 C. I Thévenin equivalent
2) (40) Assume that the FET is saturated in the amplifier circuit below. (a) Draw the...
2) (40) Assume that the FET is saturated in the amplifier circuit below. (a) Draw the ac equivalent circuit for ro 00, (b) Find the ac voltage gain (vo/w) for ro = 00, (c) Draw the ac equivalent circuit for a finite ro. (d) Find the ac voltage gain (Vo/vi) for a finite ro Ay for ro Av for finite ro Rp FDD
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...
For good rating provide correct and full solution 6.16 Shown in Fig. P6.16 is the ac equivalent of a bipo- lar diff...
For
good rating provide correct and full solution
6.16 Shown in Fig. P6.16 is the ac equivalent of a bipo- lar differential amplifier driving a load consisting of R, and G. Let the BIT's have g""-1/(50 Ω). As 250, o 120 kQ, r,-250 Ω'f_ 400 MHz, C0.45 pF and CI pE. Moreover, let R,- 2.0 kQ. Rc10 kL. Ri-50 k2, and C-4.5 pF. Rc Rc RL CL 02 01 CEE REE FIGURE P6.16 (a) Use the half-circuit technique to find...
5. (20 points) For the amplifier in the following figure: +Vcc Rout Rc C3 R2 Rin Ri 1 k R3 Vo Vi R1 RE -VEE a) Draw the de equivalent circuit and find the Q-point. Assume B -75 b) Draw the equiv...
5. (20 points) For the amplifier in the following figure: +Vcc Rout Rc C3 R2 Rin Ri 1 k R3 Vo Vi R1 RE -VEE a) Draw the de equivalent circuit and find the Q-point. Assume B -75 b) Draw the equivalent circuit used for ac analysis. Find the values in Thevenin equivalent representation for the amplifiers between C, and C as shown below. What is the maximum value of v, that satisfies the small- signal assumption? Rout Ri vi...
4. For the amplifier in the figure below use the parameters in the table: +Vcc Re VBE- 0.7V, Ri- ...
4. For the amplifier in the figure below use the parameters in the table: +Vcc Re VBE- 0.7V, Ri- 1002, R1-160k2, R2-320k2 R3-200k2, R6-40 k2, Rc-60k2, Vcc- 12V, Ry Do a) Draw the DC equivalent circuit and calculate the Q-point. c) Draw the AC equivalent circuit with the small signal model for the transistor. d) Calculate the voltage gain, Av-Vo/vi. Assume ro infinite. e) Draw the circuit to find the amplifier input resistance (Rin). Calculate Rin f Draw the circuit...
Problem 2: The circuit shown is the AC equivalent circuit of a CC amplifier. The parameters...
Problem 2: The circuit shown is the AC equivalent circuit of a CC amplifier. The parameters for the BJI are β-100, r.-2.5 KOhms, VT-25 mV, and Va very large. A) Find the input impedance Rin and the output impedance Rout as indicated. B) Find the voltage gain A. /vC) Find Ic, the DC biasing current? RE2.5 P,
4) Consider the MOSFET differential amplifier shown below, with Io-2 mA, and RL- 10 kS2, Rss-100 ...
4) Consider the MOSFET differential amplifier shown below, with Io-2 mA, and RL- 10 kS2, Rss-100 k2, VDD- +8V and Vss--8V. The NMOS transistors in the circuit are nominally identical, with kn 2 mA/V2, VTn 1.0 V and ro 100 k2. The PMoS transistors in the circuit are nominally identical, with kp 2 mA/V2, [VTpl 1.0 V and ro 100 kΩ M3 M4 0 M1 M2 a) First consider the DC bias point. Assuming that the current mirror requires at...
A common source amplifier circuit based on a single n-channel MOSFET is shown in Figure 4b. Assume that the transconductance gm-60 mS (equivalent to mA/ V) and drain source resistance, os,...
A common source amplifier circuit based on a single n-channel MOSFET is shown in Figure 4b. Assume that the transconductance gm-60 mS (equivalent to mA/ V) and drain source resistance, os, is so large it may be neglected. 0) Calculate the open circuit voltage gain Av Yout/ Vis. i) The amplifier has a load of 10 k2. Determine the current gain Va. = 12 V 150k 4k3 Vout Vin 200k GND = 0 V Figure 4b a) State the name...
QUESTION5 The small-signal ac equivalent cireuit of a transistor amplifier with collector feedback is shown in the figure below. Assume the following circuit values: B- 200, re" i i o. RF-180 kn. Rc" 2.7 ?, RO-3.3 ?, ??-?2 = 10 ?? If the input voltage Vi-5 co (90 t) mv. determine the magnitude of the steady-state ac output voltage Vo (in mV), across the output load resistor Ro. Hint: Use node analysis to find the output node voltage, and note...
The ac equivalent circuit for an amplifier is shown in Fig. P13.59. Assume the capacitors have infinite value, R1 = 750 Ω, RB = 100 kQ, Rc = 62 kQ, and R3 100 kS2. Calculate the voltage gain and input resistance for the amplifier if the BJT Q-point is (40 μΑ, 10 V). Assume β,-100 and V,-75 V. 13.59 / 1 C. I Thévenin equivalent
2) (40) Assume that the FET is saturated in the amplifier circuit below. (a) Draw the ac equivalent circuit for ro 00, (b) Find the ac voltage gain (vo/w) for ro = 00, (c) Draw the ac equivalent circuit for a finite ro. (d) Find the ac voltage gain (Vo/vi) for a finite ro Ay for ro Av for finite ro Rp FDD
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...
For
good rating provide correct and full solution
6.16 Shown in Fig. P6.16 is the ac equivalent of a bipo- lar differential amplifier driving a load consisting of R, and G. Let the BIT's have g""-1/(50 Ω). As 250, o 120 kQ, r,-250 Ω'f_ 400 MHz, C0.45 pF and CI pE. Moreover, let R,- 2.0 kQ. Rc10 kL. Ri-50 k2, and C-4.5 pF. Rc Rc RL CL 02 01 CEE REE FIGURE P6.16 (a) Use the half-circuit technique to find...
5. (20 points) For the amplifier in the following figure: +Vcc Rout Rc C3 R2 Rin Ri 1 k R3 Vo Vi R1 RE -VEE a) Draw the de equivalent circuit and find the Q-point. Assume B -75 b) Draw the equivalent circuit used for ac analysis. Find the values in Thevenin equivalent representation for the amplifiers between C, and C as shown below. What is the maximum value of v, that satisfies the small- signal assumption? Rout Ri vi...
4. For the amplifier in the figure below use the parameters in the table: +Vcc Re VBE- 0.7V, Ri- 1002, R1-160k2, R2-320k2 R3-200k2, R6-40 k2, Rc-60k2, Vcc- 12V, Ry Do a) Draw the DC equivalent circuit and calculate the Q-point. c) Draw the AC equivalent circuit with the small signal model for the transistor. d) Calculate the voltage gain, Av-Vo/vi. Assume ro infinite. e) Draw the circuit to find the amplifier input resistance (Rin). Calculate Rin f Draw the circuit...
Problem 2: The circuit shown is the AC equivalent circuit of a CC amplifier. The parameters for the BJI are β-100, r.-2.5 KOhms, VT-25 mV, and Va very large. A) Find the input impedance Rin and the output impedance Rout as indicated. B) Find the voltage gain A. /vC) Find Ic, the DC biasing current? RE2.5 P,
4) Consider the MOSFET differential amplifier shown below, with Io-2 mA, and RL- 10 kS2, Rss-100 k2, VDD- +8V and Vss--8V. The NMOS transistors in the circuit are nominally identical, with kn 2 mA/V2, VTn 1.0 V and ro 100 k2. The PMoS transistors in the circuit are nominally identical, with kp 2 mA/V2, [VTpl 1.0 V and ro 100 kΩ M3 M4 0 M1 M2 a) First consider the DC bias point. Assuming that the current mirror requires at...
A common source amplifier circuit based on a single n-channel MOSFET is shown in Figure 4b. Assume that the transconductance gm-60 mS (equivalent to mA/ V) and drain source resistance, os, is so large it may be neglected. 0) Calculate the open circuit voltage gain Av Yout/ Vis. i) The amplifier has a load of 10 k2. Determine the current gain Va. = 12 V 150k 4k3 Vout Vin 200k GND = 0 V Figure 4b a) State the name...
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