Beta = 100
I1 = 0.2 mA
I2 = 0.4 mA
I3 = 2 mA
VA = 75V
RL = 2kohm
Find RC1 and RC2.
Homework Answers
i. In the following circuit. I1 = 10 mA. 1.2 = 1 mA and B =...
i. In the following circuit. I1 = 10 mA. 1.2 = 1 mA and B = 100. Find the value of I/Irel. TOV 100 01 02 + VE RE ii. Consider a BJT current mirror with a nominal current transfer ratio of unity. Let the transistors have Is = 10-15 A, B = 100. VbE=0.7 V and VA = 100 V. Find I, when V. = 5 V, also find R. 111. In a class A output stage. Vee =...
3.1. For the BJT differential pair configuration shown below, assume the input transistor beta is very large. Then...
3.1. For the BJT differential pair configuration shown below,
assume the input transistor beta is very large.
Then find the differential signal vd = vB1 − vB2 sufficient to
cause:
3.2. A differential amplifier resembling that below uses I =
200μA, RC = 10kohm and VCC = 3V. Assume beta is very large
3.4.For the emitter follower in the figure below, given VCC =
15 V, VEE = −15 V, RL = 1 kohm and beta = 100 for all...
Q2) Please show all working Thank you :) Question 2 (25 Marks) (a) (6 Marks) Bias...
Q2)
Please show all working
Thank you :)
Question 2 (25 Marks) (a) (6 Marks) Bias the CE amplifier in Figure 2 to have IE = 1mA. Assume B-100, VBE(On) = 0.7 V, Vcc = 15V, VEE= -15V and RB = 100kQ. List all node voltages, currents and resistor values. (b) (10 Marks) Draw the small-signal model for the CE amplifier in Figure 2 Determine the input resistance, output resistance and gain of the amplifier. Assume VA = 100V, RL...
Ci-00 o Vo Qi RL-10k2 6 5 V Figure 2. I-500 μΑ, ka'(W/L)-1 mA/V2, IVI î.5V,...
Ci-00 o Vo Qi RL-10k2 6 5 V Figure 2. I-500 μΑ, ka'(W/L)-1 mA/V2, IVI î.5V, VA-75V For the circuit shown in Figure 2: a) Find VD, Va, and Vas b) Draw a small signal equivalent circuit and find the model parameter values. c) Find the input and output resistances of the circuit. d) Find the open circuit voltage gain for the amplifier and the loaded voltage gain.
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...
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%...
My answer may or may not be right. Ignore it. For the multistage amplifier below assume, p-100, VA-72V, VT-0.026, VBE(on)-0.7 V V+= 15 V Rc6 R-12k R-12k Vos 35.75k 06 ei 02 REs REF 6.33k 1C3...
My answer may or may not be right. Ignore it.
For the multistage amplifier below assume, p-100, VA-72V, VT-0.026, VBE(on)-0.7 V V+= 15 V Rc6 R-12k R-12k Vos 35.75k 06 ei 02 REs REF 6.33k 1C3 0s ˇ-쁘-15 v 04 0s V-15 V What is the output resistance Ro of the current source that is biasing the differential pair differential pair and the value of TEs (emitter current of Q6) Ro-144k, IE6-2 mA Ro-144k, IE6-1 mA R 144k, I 1.2...
Problem 2. T Vcc=10v 4R3 Rc=5k12 Ko Yout C=0 Q(8=100, VBE=0.7, V=25mV, VA ) IRB IC=0...
Problem 2. T Vcc=10v 4R3 Rc=5k12 Ko Yout C=0 Q(8=100, VBE=0.7, V=25mV, VA ) IRB IC=0 RB Fig. 3 In the common emitter amplifier shown in Fig. 3. a) Neglecting the base current (18 = 0), determine Rei and Rez to set Ice = 1 mA and the small-signal voltage gain |Apl= |Vout/Vin) = 20. [45 pt.) b) Base on the Ico given and ß = 100, choose Rp so that lg is 5% of IRB (15 pt.)
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...
i. In the following circuit. I1 = 10 mA. 1.2 = 1 mA and B = 100. Find the value of I/Irel. TOV 100 01 02 + VE RE ii. Consider a BJT current mirror with a nominal current transfer ratio of unity. Let the transistors have Is = 10-15 A, B = 100. VbE=0.7 V and VA = 100 V. Find I, when V. = 5 V, also find R. 111. In a class A output stage. Vee =...
3.1. For the BJT differential pair configuration shown below,
assume the input transistor beta is very large.
Then find the differential signal vd = vB1 − vB2 sufficient to
cause:
3.2. A differential amplifier resembling that below uses I =
200μA, RC = 10kohm and VCC = 3V. Assume beta is very large
3.4.For the emitter follower in the figure below, given VCC =
15 V, VEE = −15 V, RL = 1 kohm and beta = 100 for all...
Q2)
Please show all working
Thank you :)
Question 2 (25 Marks) (a) (6 Marks) Bias the CE amplifier in Figure 2 to have IE = 1mA. Assume B-100, VBE(On) = 0.7 V, Vcc = 15V, VEE= -15V and RB = 100kQ. List all node voltages, currents and resistor values. (b) (10 Marks) Draw the small-signal model for the CE amplifier in Figure 2 Determine the input resistance, output resistance and gain of the amplifier. Assume VA = 100V, RL...
Ci-00 o Vo Qi RL-10k2 6 5 V Figure 2. I-500 μΑ, ka'(W/L)-1 mA/V2, IVI î.5V, VA-75V For the circuit shown in Figure 2: a) Find VD, Va, and Vas b) Draw a small signal equivalent circuit and find the model parameter values. c) Find the input and output resistances of the circuit. d) Find the open circuit voltage gain for the amplifier and the loaded voltage gain.
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...
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%...
My answer may or may not be right. Ignore it.
For the multistage amplifier below assume, p-100, VA-72V, VT-0.026, VBE(on)-0.7 V V+= 15 V Rc6 R-12k R-12k Vos 35.75k 06 ei 02 REs REF 6.33k 1C3 0s ˇ-쁘-15 v 04 0s V-15 V What is the output resistance Ro of the current source that is biasing the differential pair differential pair and the value of TEs (emitter current of Q6) Ro-144k, IE6-2 mA Ro-144k, IE6-1 mA R 144k, I 1.2...
Problem 2. T Vcc=10v 4R3 Rc=5k12 Ko Yout C=0 Q(8=100, VBE=0.7, V=25mV, VA ) IRB IC=0 RB Fig. 3 In the common emitter amplifier shown in Fig. 3. a) Neglecting the base current (18 = 0), determine Rei and Rez to set Ice = 1 mA and the small-signal voltage gain |Apl= |Vout/Vin) = 20. [45 pt.) b) Base on the Ico given and ß = 100, choose Rp so that lg is 5% of IRB (15 pt.)
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...
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