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For the amplifier of figure 9.40, fill in the table. Note, you must find W for...
8.93 For the folded-cascode differential amplifier of Fig. 8.38, find the value of VBlAs that res...
Please solve in details and in a clear way.
8.93 For the folded-cascode differential amplifier of Fig. 8.38, find the value of VBlAs that results in the largest possible positive output swing, while keeping Q3, Q,, and the pnp transistors that realize the current sources out of saturation. Assume Voc-VEE-5 V. If the dc level at the output is 0 V, find the maximum allowable output signal swing. For 1- 0.5 mA, β,-50, β,-100, and V,-100 V in G, Rod,...
Hi everyone, I have a problem about multistage amplifier. Please help me out, Thank you. Consider...
Hi everyone, I have a problem about multistage amplifier.
Please help me out, Thank you.
Consider the following multistage amplifier circuit. Given, B VA = 0, VcCE(Sat) = 0.2V and IVBE(ON) 0.7V for all transistors except Q3. VBE for Q3 is 0.655V. Determine the output voltage R6 1.8kΩ R1 9.77ko R2 24k0 R3 4kn R4 10ko R5 10ko 15 V Q8 Q10 Q5 Q6 output Q3 Q2 Q1 R9 15.7k R7 10kn R8 900 15 V
An analogue amplifier circuit is shown in Figure 1 below. VDD Q5 15V JL - Vout...
An analogue amplifier circuit is shown in Figure 1 below. VDD Q5 15V JL - Vout Irer RI Vina JET T7T Figure 1 Integrated amplifier circuit. Circuit Data: Vpp = 15 V, IREF = I1 = I2 = 1.0 mA Transistor Data: Q1: NMOS, un Cox = 80 A/V?, W/L = 100 um/0.8 um, Vtn = 0.8 V, L = 0.10 um/V Q2: NPN BJT, B = 100, Vbe = 0.7 V, VA = 150 V Q3, Q4: NMOS, un...
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...
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...
[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...
-o +V cc А A 11 Q3 Q4 AES Q5 U U2 Q Q2 26. 5...
-o +V cc А A 11 Q3 Q4 AES Q5 U U2 Q Q2 26. 5 AV Q1 А VO 5A V 012 A RL 27 IREF Q. Q10 08 A A 5 A --VEE Figure 16.44 Complete bipolar operational amplifier. Part 2) Use B (beta) = 100 and VA = 100 V for all transistors when calculating gains. However, assume ideal current mirrors - i.e., don't worry about ß or VA corrections when calculating the currents. Also assume a...
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...
0.7V, and Va 100V. Find: -For the operational amplifier of Figure 4 assume all transistors have β...
0.7V, and Va 100V. Find: -For the operational amplifier of Figure 4 assume all transistors have β-100, Find the de emitter currents and the de collector voltage of all transistors. The de voltage at the inputs is OV and the de output voltage is held at 0V (by negative feedback, not shown). Neglect the de base currents for this part. Find the (differential) voltage gain of the amplifier with R-10 k2. Assume the impedance of the capacitor is very large....
1. Consider the following current mirror combination, where all transistors have the same kn'(W/L...
1. Consider the following current mirror combination, where all transistors have the same kn'(W/L) = kp'(W/L) = 2mA/V2, and VTN-1У, VTP--1V. It is also given that VDD1-10V, VDD2-8V. Remember that for saturation the drain current is given by IDー½ k,"(W/L) (VGS-Yn)" for NMOS and ID ½ kp"(WL) (VGS-V,»)2 for PMOS. You can ignore the channel modulation for all transistors. (a) Find the value of R so that I.-1mA. (b) Are transistors Q1, Q2, Q3 in saturation? (c) What is the...
Please solve in details and in a clear way.
8.93 For the folded-cascode differential amplifier of Fig. 8.38, find the value of VBlAs that results in the largest possible positive output swing, while keeping Q3, Q,, and the pnp transistors that realize the current sources out of saturation. Assume Voc-VEE-5 V. If the dc level at the output is 0 V, find the maximum allowable output signal swing. For 1- 0.5 mA, β,-50, β,-100, and V,-100 V in G, Rod,...
Hi everyone, I have a problem about multistage amplifier.
Please help me out, Thank you.
Consider the following multistage amplifier circuit. Given, B VA = 0, VcCE(Sat) = 0.2V and IVBE(ON) 0.7V for all transistors except Q3. VBE for Q3 is 0.655V. Determine the output voltage R6 1.8kΩ R1 9.77ko R2 24k0 R3 4kn R4 10ko R5 10ko 15 V Q8 Q10 Q5 Q6 output Q3 Q2 Q1 R9 15.7k R7 10kn R8 900 15 V
An analogue amplifier circuit is shown in Figure 1 below. VDD Q5 15V JL - Vout Irer RI Vina JET T7T Figure 1 Integrated amplifier circuit. Circuit Data: Vpp = 15 V, IREF = I1 = I2 = 1.0 mA Transistor Data: Q1: NMOS, un Cox = 80 A/V?, W/L = 100 um/0.8 um, Vtn = 0.8 V, L = 0.10 um/V Q2: NPN BJT, B = 100, Vbe = 0.7 V, VA = 150 V Q3, Q4: NMOS, un...
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...
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...
[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...
-o +V cc А A 11 Q3 Q4 AES Q5 U U2 Q Q2 26. 5 AV Q1 А VO 5A V 012 A RL 27 IREF Q. Q10 08 A A 5 A --VEE Figure 16.44 Complete bipolar operational amplifier. Part 2) Use B (beta) = 100 and VA = 100 V for all transistors when calculating gains. However, assume ideal current mirrors - i.e., don't worry about ß or VA corrections when calculating the currents. Also assume a...
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...
0.7V, and Va 100V. Find: -For the operational amplifier of Figure 4 assume all transistors have β-100, Find the de emitter currents and the de collector voltage of all transistors. The de voltage at the inputs is OV and the de output voltage is held at 0V (by negative feedback, not shown). Neglect the de base currents for this part. Find the (differential) voltage gain of the amplifier with R-10 k2. Assume the impedance of the capacitor is very large....
1. Consider the following current mirror combination, where all transistors have the same kn'(W/L) = kp'(W/L) = 2mA/V2, and VTN-1У, VTP--1V. It is also given that VDD1-10V, VDD2-8V. Remember that for saturation the drain current is given by IDー½ k,"(W/L) (VGS-Yn)" for NMOS and ID ½ kp"(WL) (VGS-V,»)2 for PMOS. You can ignore the channel modulation for all transistors. (a) Find the value of R so that I.-1mA. (b) Are transistors Q1, Q2, Q3 in saturation? (c) What is the...
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