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Consider the circuit shown in Figure 1. Draw the equivalent single stage standalone circuit for t...
For the differential amplifier shown in Figure 6: Assume well-matched transistors and = 100 for all transistors: a) Wh...
For the differential amplifier shown in Figure 6: Assume
well-matched transistors and = 100 for all transistors:
a) Why it is important to use well-matched transistors in
differential amplifier circuits? What is the potential influence of
mismatched transistors on the performance of the differential
amplifier?
b) Determine the resistor values (R1, R2 and R3) such that the
emitter coupled current IE = 0.5 mA and VC1 = 3 V.
c) Draw the ac equivalent circuit for the single ended...
Connect the Multistage Amplifier circuit as shown in Figure 1. VCC T 15.0V R4 TR8 34700...
Connect the Multistage Amplifier circuit as shown in Figure 1. VCC T 15.0V R4 TR8 34700 R6 $390 *3.3k02 3 C4 SR2 200k C2 0.01F C1 Q2 2N7000 *2N7000 42 HA 2N2222A V1 100mVpk 5kHz 0.01F 0.1npF R5 (R7 6.8ko 1500 R9 $5600 282ko First stage : CS Second Stage: CE Figure / Multi Stage Amplifier Circuit Connect each stage in the multistage circuit in figure 1 separately 1) Measure the Q points for both transistors Q1 and Q2 record...
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...
3 A BJT amplifier with active load is shown in Figure P10.83. The cir- cuit contains...
3 A BJT amplifier with active load is shown in Figure P10.83. The cir- cuit contains emitter resistors RE and a load resistor Ri. (a) Derive the expression for the output resistance looking into the collector of Q2 (b) Using the small-signal equivalent circuit, derive the equation for the ogulrno minilir t Equation (10.94). RE RE 02 01 O vo REF ZR, Figure P10.83
b) Draw an appropriate equivalent circuit for the amplifier shown in Figure Q4b, and hence derive...
b) Draw an appropriate equivalent circuit for the amplifier shown in Figure Q4b, and hence derive the following expression for the input impedance + Ir Figure Q4b)
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...
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)...
Consider the following circuit with a supply current, i(t) 8u(t), shown in the figure below. Determine...
Consider the following circuit with a supply current, i(t) 8u(t), shown in the figure below. Determine iL(t) for t 2 0 given that Rl - R2 2 and L 4H R1 is() R2 1. Using the tables provided, what is the -domain equivalent of the source current, i (t)? 2. Derive an equation for Lz(s) in s-domain. (Hint, this is a current divider.) 3. U se partial fraction expansion to simplify the expression above and Convert back to time domain...
Consider the circuit shown in Figure 1. Transistors Q1 and Q2 are identical and can be...
Consider the circuit shown in Figure 1. Transistors Q1 and Q2
are identical and can be
describe with the following parameters: IS = 5
×10−16 A, β = 100 and VA = 5 V.
1. when Vin = 1,5V
ICQ1=ICQ2.
2. Write an equation for currents IC1 and
IC2 in terms of the voltages
Vin(VBQ1) and
VBQ2. For it
you can omit the Early effect and assume IE ≈
IC. Solve the equations to find so
Analyze the value of...
250, and Pr Contributed by Qc 0D 01 02 O DOUT 03 04 Qs QA QB Rs RI VEE-15V Figure P12.8 800 Cha...
12.8
250, and Pr Contributed by Qc 0D 01 02 O DOUT 03 04 Qs QA QB Rs RI VEE-15V Figure P12.8 800 Chapter 12 Analog Integrated Circuits 12.8 The circuit of Fig. P12.8 illustrates a simple BJT op-amp that resembles the input stage of the LM741. It consists of a differential input stage a class A voltage-follower output stage formed by Qs the collector of 12.10回 Considerthetwo-stageBrt㎎ to yield a differential gain of a las-fa ascaded with a class...
For the differential amplifier shown in Figure 6: Assume
well-matched transistors and = 100 for all transistors:
a) Why it is important to use well-matched transistors in
differential amplifier circuits? What is the potential influence of
mismatched transistors on the performance of the differential
amplifier?
b) Determine the resistor values (R1, R2 and R3) such that the
emitter coupled current IE = 0.5 mA and VC1 = 3 V.
c) Draw the ac equivalent circuit for the single ended...
Connect the Multistage Amplifier circuit as shown in Figure 1. VCC T 15.0V R4 TR8 34700 R6 $390 *3.3k02 3 C4 SR2 200k C2 0.01F C1 Q2 2N7000 *2N7000 42 HA 2N2222A V1 100mVpk 5kHz 0.01F 0.1npF R5 (R7 6.8ko 1500 R9 $5600 282ko First stage : CS Second Stage: CE Figure / Multi Stage Amplifier Circuit Connect each stage in the multistage circuit in figure 1 separately 1) Measure the Q points for both transistors Q1 and Q2 record...
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...
3 A BJT amplifier with active load is shown in Figure P10.83. The cir- cuit contains emitter resistors RE and a load resistor Ri. (a) Derive the expression for the output resistance looking into the collector of Q2 (b) Using the small-signal equivalent circuit, derive the equation for the ogulrno minilir t Equation (10.94). RE RE 02 01 O vo REF ZR, Figure P10.83
b) Draw an appropriate equivalent circuit for the amplifier shown in Figure Q4b, and hence derive the following expression for the input impedance + Ir Figure Q4b)
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...
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)...
Consider the following circuit with a supply current, i(t) 8u(t), shown in the figure below. Determine iL(t) for t 2 0 given that Rl - R2 2 and L 4H R1 is() R2 1. Using the tables provided, what is the -domain equivalent of the source current, i (t)? 2. Derive an equation for Lz(s) in s-domain. (Hint, this is a current divider.) 3. U se partial fraction expansion to simplify the expression above and Convert back to time domain...
Consider the circuit shown in Figure 1. Transistors Q1 and Q2
are identical and can be
describe with the following parameters: IS = 5
×10−16 A, β = 100 and VA = 5 V.
1. when Vin = 1,5V
ICQ1=ICQ2.
2. Write an equation for currents IC1 and
IC2 in terms of the voltages
Vin(VBQ1) and
VBQ2. For it
you can omit the Early effect and assume IE ≈
IC. Solve the equations to find so
Analyze the value of...
12.8
250, and Pr Contributed by Qc 0D 01 02 O DOUT 03 04 Qs QA QB Rs RI VEE-15V Figure P12.8 800 Chapter 12 Analog Integrated Circuits 12.8 The circuit of Fig. P12.8 illustrates a simple BJT op-amp that resembles the input stage of the LM741. It consists of a differential input stage a class A voltage-follower output stage formed by Qs the collector of 12.10回 Considerthetwo-stageBrt㎎ to yield a differential gain of a las-fa ascaded with a class...
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