Answer is: (a) 1 − 0.091 cos(104 t + 0.011)
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Answer is: (a) 1 − 0.091 cos(104 t + 0.011) 12V Vcc 11k a(t) + UB...
Answer is: (b) 6.2 12V Vcc 11k a(t) + UB 1k 10HF UE k NL 2N...
Answer is: (b) 6.2
12V Vcc 11k a(t) + UB 1k 10HF UE k NL 2N k Figure 5: Circuit for Questions 12-15 Question 14. (2 marks) Consider the circuit in Figure 5. Suppose v.(t) = cos(104t) volt. In addition, the voltage vN accross the nonlinear element NL is given by UN where UN is expressed in volt and in is expressed in mili-amp. Find the smallest value of Vcc (in volt) to ensure that the transistor always operates in...
Vcc in figure 13.18 is changed from 12V to 15V. If Vi = 1 mV, calculate...
Vcc in figure 13.18 is changed from 12V to 15V. If Vi = 1 mV, calculate vo & io. Let β0- 100 Vcc 12 V 300 kΩ 100 k- 22 kQ 100k Signal 160kΩ 13 k2 Ub Smube Rt U SmUbe Figure 13.18 (a) Common-emitter amplifier circuit employing a bipolar transistor. (b) ac Equivalent circuit for the common- emitter amplifier in part (a). The common-emitter connection should now be evident. (e) ac Equivalent circuit with the bipolar transistor replaced by...
It Kind of goes without saying but if you have no knowledge than dont comment or try and answer this question you dope Questions 1-3 below are about the amplifier circuit of Figure 1. Here Vcc is a...
It
Kind of goes without saying but if you have no knowledge than dont
comment or try and answer this question you dope
Questions 1-3 below are about the amplifier circuit of Figure 1. Here Vcc is a fixed voltage The base voltage vB(t) is time-varying, and is of the form vB(t) V(t) where VB is a DC offset, and vb(t) is a time-varying purely AC signal. Suppose the amplitude of vb is A. Assume that the capacitor C is...
i(t) 5 k Ohm R2 10 k Ohm V1 C1 2 UF 2i(t) W1 12V t-0...
i(t) 5 k Ohm R2 10 k Ohm V1 C1 2 UF 2i(t) W1 12V t-0 CSW Figure 3 a) Find the capacitor voltage v(1) for > 0, for the circuit in Figure 3 above. b) Using appropriate equations show that the system in Figure 3 is unstable. c) Using appropriate equations and diagrams show what must be done to make the system stable. [4 marks] [5 marks) [6 marks]
CLOSED OPEN Page 2 > of 6 ☺ Question 1: (a). The voltage vs(t)= 10 cos(10t...
CLOSED OPEN Page 2 > of 6 ☺ Question 1: (a). The voltage vs(t)= 10 cos(10t +30°)V is applied to the inverting op amp as shown below. Using phasor, find (i) volt) 100 KS 2 (ii) v(t) 100 k92 20 k 2 M (iii) Zo (impedance) volt) Vs 20 k2 100 uFv 27 Zo 0 - FS 0 + F O FE F7 Home F8 BR F12 F10 F11 $ C ) % 5 * 00 3 - 7 9...
Problem: In the circuit shown in Figure 1, Vee = 1.2 V, Vcc = 20 V,...
Problem: In the circuit shown in Figure 1, Vee = 1.2 V, Vcc = 20 V, Rp = 60 kN, Rc = 2 k. The input signal is a sinusoidal voltage given by Vin(t) = 0.2 sin(2000 ) V. The input and output characteristics of the transistor are provided on Page 2. (1) Find Ig, Ic and Vce. (30 points) Hint: Use the load line method. (Vor.) and (Vce: 1c) are the operating points of the transistor in the input...
Problem 1: (3 +2+3+2 10, sampling) Consider the continuous-time signal x(t) = 3 + cos(10?1+ 5)...
Problem 1: (3 +2+3+2 10, sampling) Consider the continuous-time signal x(t) = 3 + cos(10?1+ 5) + sin(15?), t E R (a) Find the Fourier transform X-Fr. Hint: (F ejuot) (w) 2??(w-wo) (b) What is the Nyquist Frequency wn in radians/s of x? (c) Write an expression for the Fourier transform of the ideal sampling of x with sam- pling period T, = 2n/Cav.), i.e., ?00_ox(AZ)6(t-kZ) Hint: (F eiru>tz(t) (w) - X(w - rus) and recall Poisson's identity, CO eyru'st,...
1. (i) In a circuit, the voltage is given by: Vs (t) 12 cos(50t10) V (a)...
1. (i) In a circuit, the voltage is given by: Vs (t) 12 cos(50t10) V (a) What is the amplitude of the voltage? (b) What is the phase of the voltage? (c) What is the angular frequency (radians/sec.) of the voltage? (d) What is the frequency (in cycles/sec.) of the voltage? (e) Determine vs (t) at time t 2.5ms (ii) Given v1(t)cos(50t 50°) V and v2(t) 12 sin(50t 10°) V, determine the phase angle between the two sinusoids and determine...
ASAP! Please answer this question showing steps for thumb up! Question 1 (4 Marks) Q.A. 1...
ASAP! Please answer this question showing steps for
thumb up!
Question 1 (4 Marks) Q.A. 1 -Statement: DC biasing of a CE amplifier circuit is as in Fig. Q.1. Assume the parameters, Vcc = 18 volt, RE = 500 ohm; B = 125; RL = 1000 ohm, Rc =1500 ohm and source resistance and Rs 1500 ohm. The amplifier is excited by a source, vs(t) = Vm * sin(2teft) with Vm = 25 mV peak and f = 1000 Hz;...
ANSWER ALL THE QUESTIONS Question 1 For the circuit shown in Figure Q1, select a value...
ANSWER ALL THE QUESTIONS Question 1 For the circuit shown in Figure Q1, select a value of R so that the energy stored in the inductor is equal to the energy stored in the capacitor at steady state. 22 Ω 10mH 15v (t Figure Q1 (5 marks) Question 2 For the network in Figure Q2. (a) Find the mathematical expressions for the voltage yz and the current ic following the (9 marks) (4 marks) closing of the switch. (b) Sketch...
Answer is: (b) 6.2
12V Vcc 11k a(t) + UB 1k 10HF UE k NL 2N k Figure 5: Circuit for Questions 12-15 Question 14. (2 marks) Consider the circuit in Figure 5. Suppose v.(t) = cos(104t) volt. In addition, the voltage vN accross the nonlinear element NL is given by UN where UN is expressed in volt and in is expressed in mili-amp. Find the smallest value of Vcc (in volt) to ensure that the transistor always operates in...
Vcc in figure 13.18 is changed from 12V to 15V. If Vi = 1 mV, calculate vo & io. Let β0- 100 Vcc 12 V 300 kΩ 100 k- 22 kQ 100k Signal 160kΩ 13 k2 Ub Smube Rt U SmUbe Figure 13.18 (a) Common-emitter amplifier circuit employing a bipolar transistor. (b) ac Equivalent circuit for the common- emitter amplifier in part (a). The common-emitter connection should now be evident. (e) ac Equivalent circuit with the bipolar transistor replaced by...
It
Kind of goes without saying but if you have no knowledge than dont
comment or try and answer this question you dope
Questions 1-3 below are about the amplifier circuit of Figure 1. Here Vcc is a fixed voltage The base voltage vB(t) is time-varying, and is of the form vB(t) V(t) where VB is a DC offset, and vb(t) is a time-varying purely AC signal. Suppose the amplitude of vb is A. Assume that the capacitor C is...
i(t) 5 k Ohm R2 10 k Ohm V1 C1 2 UF 2i(t) W1 12V t-0 CSW Figure 3 a) Find the capacitor voltage v(1) for > 0, for the circuit in Figure 3 above. b) Using appropriate equations show that the system in Figure 3 is unstable. c) Using appropriate equations and diagrams show what must be done to make the system stable. [4 marks] [5 marks) [6 marks]
CLOSED OPEN Page 2 > of 6 ☺ Question 1: (a). The voltage vs(t)= 10 cos(10t +30°)V is applied to the inverting op amp as shown below. Using phasor, find (i) volt) 100 KS 2 (ii) v(t) 100 k92 20 k 2 M (iii) Zo (impedance) volt) Vs 20 k2 100 uFv 27 Zo 0 - FS 0 + F O FE F7 Home F8 BR F12 F10 F11 $ C ) % 5 * 00 3 - 7 9...
Problem: In the circuit shown in Figure 1, Vee = 1.2 V, Vcc = 20 V, Rp = 60 kN, Rc = 2 k. The input signal is a sinusoidal voltage given by Vin(t) = 0.2 sin(2000 ) V. The input and output characteristics of the transistor are provided on Page 2. (1) Find Ig, Ic and Vce. (30 points) Hint: Use the load line method. (Vor.) and (Vce: 1c) are the operating points of the transistor in the input...
Problem 1: (3 +2+3+2 10, sampling) Consider the continuous-time signal x(t) = 3 + cos(10?1+ 5) + sin(15?), t E R (a) Find the Fourier transform X-Fr. Hint: (F ejuot) (w) 2??(w-wo) (b) What is the Nyquist Frequency wn in radians/s of x? (c) Write an expression for the Fourier transform of the ideal sampling of x with sam- pling period T, = 2n/Cav.), i.e., ?00_ox(AZ)6(t-kZ) Hint: (F eiru>tz(t) (w) - X(w - rus) and recall Poisson's identity, CO eyru'st,...
1. (i) In a circuit, the voltage is given by: Vs (t) 12 cos(50t10) V (a) What is the amplitude of the voltage? (b) What is the phase of the voltage? (c) What is the angular frequency (radians/sec.) of the voltage? (d) What is the frequency (in cycles/sec.) of the voltage? (e) Determine vs (t) at time t 2.5ms (ii) Given v1(t)cos(50t 50°) V and v2(t) 12 sin(50t 10°) V, determine the phase angle between the two sinusoids and determine...
ASAP! Please answer this question showing steps for
thumb up!
Question 1 (4 Marks) Q.A. 1 -Statement: DC biasing of a CE amplifier circuit is as in Fig. Q.1. Assume the parameters, Vcc = 18 volt, RE = 500 ohm; B = 125; RL = 1000 ohm, Rc =1500 ohm and source resistance and Rs 1500 ohm. The amplifier is excited by a source, vs(t) = Vm * sin(2teft) with Vm = 25 mV peak and f = 1000 Hz;...
ANSWER ALL THE QUESTIONS Question 1 For the circuit shown in Figure Q1, select a value of R so that the energy stored in the inductor is equal to the energy stored in the capacitor at steady state. 22 Ω 10mH 15v (t Figure Q1 (5 marks) Question 2 For the network in Figure Q2. (a) Find the mathematical expressions for the voltage yz and the current ic following the (9 marks) (4 marks) closing of the switch. (b) Sketch...
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