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4. In the cascaded arrangement of two amplifiers shown below, the second stage acts as the load f...
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)...
A source-follower configuration, shown below, is employed as the output stage (last stage) of a cascade...
A source-follower configuration, shown below, is employed as the output stage (last stage) of a cascade amplifier. It is required to provide an output resistance ROF 100 Ω . You cannot ignore the channel length modulation effect, and it is known that λ 40mV 6. ClI C2 RG Ri Rn a) If the MOSFET has Kn 1 A and is operated at Vov-4 V, find the required value of the DC current source, Iand the value for ro If the...
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...
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...
NAME u (33 PTS.) A FET two-stage amplifier is shown below. (a) Draw the small-signal equivalent...
NAME u (33 PTS.) A FET two-stage amplifier is shown below. (a) Draw the small-signal equivalent circuit oe entire amplifier. (b) Find the voltage gain A,-./. (c) Find the input resistanc resistance Ro. Assume that Id = 1mA. e R, and the output Kn 31.6mAN2 V-1.73 Lambda0 R5 R4 C2 M2 C3 Ro R2 C1 00uF RL 50k Ri C4 R3 R10 1.8K
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...
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...
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...
1. Two directly coupled common emitter amplifiers are shown below in Fig. 1. Since base current...
1. Two directly coupled common emitter amplifiers are shown below in Fig. 1. Since base current IBase2 of the transistor Qp is much smaller than the collector current of QN, simply ignore I Base 2 current while solving the problem. Vsig is a purely AC signal. Find DC operating points (Ic, VCE) of the transistors. ON I Qp VA= OV B = 150 VE(ON) = 0.7 V VESAT) = 0.2 V VA= OV B = 70 V(ON) = 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%...
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)...
A source-follower configuration, shown below, is employed as the output stage (last stage) of a cascade amplifier. It is required to provide an output resistance ROF 100 Ω . You cannot ignore the channel length modulation effect, and it is known that λ 40mV 6. ClI C2 RG Ri Rn a) If the MOSFET has Kn 1 A and is operated at Vov-4 V, find the required value of the DC current source, Iand the value for ro If the...
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...
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...
NAME u (33 PTS.) A FET two-stage amplifier is shown below. (a) Draw the small-signal equivalent circuit oe entire amplifier. (b) Find the voltage gain A,-./. (c) Find the input resistanc resistance Ro. Assume that Id = 1mA. e R, and the output Kn 31.6mAN2 V-1.73 Lambda0 R5 R4 C2 M2 C3 Ro R2 C1 00uF RL 50k Ri C4 R3 R10 1.8K
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...
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...
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...
1. Two directly coupled common emitter amplifiers are shown below in Fig. 1. Since base current IBase2 of the transistor Qp is much smaller than the collector current of QN, simply ignore I Base 2 current while solving the problem. Vsig is a purely AC signal. Find DC operating points (Ic, VCE) of the transistors. ON I Qp VA= OV B = 150 VE(ON) = 0.7 V VESAT) = 0.2 V VA= OV B = 70 V(ON) = 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%...
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