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3. Consider the following circuit. Q1 is identical to Q2 and p- 100. Q3 is identical...
VCC RC1 RC2 Vout+ Vout Q1 NPN Q2 NPN Vin Vin- Q3 NPN Use VA-5V for...
VCC RC1 RC2 Vout+ Vout Q1 NPN Q2 NPN Vin Vin- Q3 NPN Use VA-5V for Q3, and VA-00 for Q1 and Q2. If IEE-1mA, Rc,-12711 Ω, and RC2-1271 2Ω, what is the common mode to differential mode conversion gain? What is the common mode rejection ratio? Use Vr = 26mV and β 100 . Assume IE=Ic tr all a ACM-DMl CMRR- dB
Problem 1: All the transistors in the circuit have β-110, VA-00 Assuming that approximately IC3-220μΑ and IC4-1.9mA, A] Evaluate Rout of the current source and the figure of merit of the current sour...
Problem 1: All the transistors in the circuit have β-110, VA-00 Assuming that approximately IC3-220μΑ and IC4-1.9mA, A] Evaluate Rout of the current source and the figure of merit of the current source C] Find the gains of the differential pair (single-ended output), the common-emitter stage, and the overall gain , the common-emitter stage, +15V RC1 RC2 Q4 Q1 Q2 VO V2 RC4 R1 Q3 R2 R3 -15V
Problem 1: All the transistors in the circuit have β-110, VA-00 Assuming...
2. In the following current mirror circuit, Vcc -10V, and the three transistors, Q1, Q2, Q3, have...
2. In the following current mirror circuit, Vcc -10V, and the three transistors, Q1, Q2, Q3, have the same saturation current (i.e.,IssIs), and with V for active mode is 0.7V. Then, the three beta values are given by: β91-100, ßQ2-50, and ßQ3-200. The thermal voltage is ντ-25mV. Assuming that you need an output current of i1mA: ref db (a) Find the collector, base, and emitter current for all three Q1 O2 transistors when ia 1mA. (b) Find the refern ie....
[25 points} The figure below shows a differential amplifier. Q1 and Q2 form the differential pair, while O4 and Os form the active loads for O1 and 02, respectively The DC bias current that establish...
[25 points} The figure below shows a differential amplifier. Q1 and Q2 form the differential pair, while O4 and Os form the active loads for O1 and 02, respectively The DC bias current that establishes an appropriate DC voltage at the drains of Q1 and Q2 is not shown. The DC voltage at the gates of Q6 and Q3 is +0.8V and the DC voltage at the gates of Q7, 04 and Qs is -0.8V WnGox p ox For DC...
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...
Can someone help me derive the general equation for the Acm (when it is a single-ended...
Can someone help me derive the general equation for the Acm
(when it is a single-ended common-mode gain) for Q1,Q2 and Q4? I
know the general formula for Q1 and Q2 are going to be the same but
Q4 is going to be different because you have to take into account
ro.
In this assignment, you will design a differential amplifier satisfying the required differential gain, input impedance, and single-ended common-mode gain; when fed by a small-signal. Then you will...
Q2 Q1 Q9! I3 Vout Q5 1B 5k2 15V Figure Q3 c) Assuming that the voltage...
Q2 Q1 Q9! I3 Vout Q5 1B 5k2 15V Figure Q3 c) Assuming that the voltage gains of the two common collector stages 3 and 5 are both unity, make reasonable approximations to estimate the overall small signal voltage gain of the amplifier, Av, where: 10 Assume that all the transistors have an ac current gain, ?,-| 00 and large DC current gain. The Early voltage, V 100 V and transistor output resistance can be taken as ?,a where le...
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...
3. In the circuit shown below, the differential pair (Mand M2) is biased with a current miror that consists of M3, M and Rref. The circuit parameters are: VDD-3 V, Rre/-15 ka, RD = 20 ka, and RL-40 k...
3. In the circuit shown below, the differential pair (Mand M2) is biased with a current miror that consists of M3, M and Rref. The circuit parameters are: VDD-3 V, Rre/-15 ka, RD = 20 ka, and RL-40 kn. The transistors 25 M, and M, are identicalwith()M and M, are identical with (The oh M and M4 are identical with = ·The other transistor parameters are: indox-: 0.1 m1A/V2,VTN-0.5 V, γ-0 (body effect coefficient) and λ 0 (channel length modulation...
Q1. The values of the difference amplifier in figure 1 are Ao 5x 105, Rı =...
Q1. The values of the difference amplifier in figure 1 are Ao 5x 105, Rı = 5kQ, RF = 50M, Ra-2kQ, and Rx-20kS2. The input voltages are vb-5mV and Va--15mV. Find the out voltage vo. (5 Points) RF R1 Figure 1 Q2. Design an integrator as shown in figure 2 to be operated with an AC signal of 5 kHz and to give a closed loop voltage gain of Af-10 at w=1 rad/s. (5 Points) iRF RI 79 +Vcc 2...
VCC RC1 RC2 Vout+ Vout Q1 NPN Q2 NPN Vin Vin- Q3 NPN Use VA-5V for Q3, and VA-00 for Q1 and Q2. If IEE-1mA, Rc,-12711 Ω, and RC2-1271 2Ω, what is the common mode to differential mode conversion gain? What is the common mode rejection ratio? Use Vr = 26mV and β 100 . Assume IE=Ic tr all a ACM-DMl CMRR- dB
Problem 1: All the transistors in the circuit have β-110, VA-00 Assuming that approximately IC3-220μΑ and IC4-1.9mA, A] Evaluate Rout of the current source and the figure of merit of the current source C] Find the gains of the differential pair (single-ended output), the common-emitter stage, and the overall gain , the common-emitter stage, +15V RC1 RC2 Q4 Q1 Q2 VO V2 RC4 R1 Q3 R2 R3 -15V
Problem 1: All the transistors in the circuit have β-110, VA-00 Assuming...
2. In the following current mirror circuit, Vcc -10V, and the three transistors, Q1, Q2, Q3, have the same saturation current (i.e.,IssIs), and with V for active mode is 0.7V. Then, the three beta values are given by: β91-100, ßQ2-50, and ßQ3-200. The thermal voltage is ντ-25mV. Assuming that you need an output current of i1mA: ref db (a) Find the collector, base, and emitter current for all three Q1 O2 transistors when ia 1mA. (b) Find the refern ie....
[25 points} The figure below shows a differential amplifier. Q1 and Q2 form the differential pair, while O4 and Os form the active loads for O1 and 02, respectively The DC bias current that establishes an appropriate DC voltage at the drains of Q1 and Q2 is not shown. The DC voltage at the gates of Q6 and Q3 is +0.8V and the DC voltage at the gates of Q7, 04 and Qs is -0.8V WnGox p ox For DC...
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...
Can someone help me derive the general equation for the Acm
(when it is a single-ended common-mode gain) for Q1,Q2 and Q4? I
know the general formula for Q1 and Q2 are going to be the same but
Q4 is going to be different because you have to take into account
ro.
In this assignment, you will design a differential amplifier satisfying the required differential gain, input impedance, and single-ended common-mode gain; when fed by a small-signal. Then you will...
Q2 Q1 Q9! I3 Vout Q5 1B 5k2 15V Figure Q3 c) Assuming that the voltage gains of the two common collector stages 3 and 5 are both unity, make reasonable approximations to estimate the overall small signal voltage gain of the amplifier, Av, where: 10 Assume that all the transistors have an ac current gain, ?,-| 00 and large DC current gain. The Early voltage, V 100 V and transistor output resistance can be taken as ?,a where le...
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...
3. In the circuit shown below, the differential pair (Mand M2) is biased with a current miror that consists of M3, M and Rref. The circuit parameters are: VDD-3 V, Rre/-15 ka, RD = 20 ka, and RL-40 kn. The transistors 25 M, and M, are identicalwith()M and M, are identical with (The oh M and M4 are identical with = ·The other transistor parameters are: indox-: 0.1 m1A/V2,VTN-0.5 V, γ-0 (body effect coefficient) and λ 0 (channel length modulation...
Q1. The values of the difference amplifier in figure 1 are Ao 5x 105, Rı = 5kQ, RF = 50M, Ra-2kQ, and Rx-20kS2. The input voltages are vb-5mV and Va--15mV. Find the out voltage vo. (5 Points) RF R1 Figure 1 Q2. Design an integrator as shown in figure 2 to be operated with an AC signal of 5 kHz and to give a closed loop voltage gain of Af-10 at w=1 rad/s. (5 Points) iRF RI 79 +Vcc 2...
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