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Q4. The diode circuit Fig. Q2a is supplied with an a.c. voltage of 100 mV. Assume...
(c) The dual-switch forward converter in Fig. Q4(c) is supplied from an input voltage Vin of 42V,...
(c) The dual-switch forward converter in Fig. Q4(c) is supplied from an input voltage Vin of 42V, and switches at 100kHz with a duty factor of 0.35. The transformer T1 carries 50 primary turns and 34 secondary turns. The core used in T1 has an effective area of 45mm2 and an effective length of 72mm. The relative permeability of its core material is =1790. [NB: The permeability of free space IS μ.-1.257×10-94/m.] V.D D, L1 TRI - 01 N1 N2...
For the circuit shown in Fig. 10-12, calculate the current supplied by the voltage source and...
For the circuit shown in Fig. 10-12, calculate the current supplied by the voltage source and the voltage across the current source. V, 500 2.8345° A 1 3:25 n 100/0° v Fig. 10-12
2. For the circuit shown in Figure 4, assume the diode can be modelled by a...
2. For the circuit shown in Figure 4, assume the diode can be modelled by a Constant- Voltage Drop (CVD) (VD[on) = 0.7 V) for d.c analysis. 10 mA 5502 Zc = 0 int) DV D3 D2 V 100 sin(wt) mV vo(t) 1k 12 } 3k 22 Figure 4 (a) Determine the diode d.c current loi, Ioz, 103, Io and V. Check your assumptions. (b) Determine the output ac current, id and voltage, vd (c) Determine the output total current,...
ng 3. a) Consider the circuit shown in Fig. 1 below, where the diode is assumed...
ng 3. a) Consider the circuit shown in Fig. 1 below, where the diode is assumed to be ideal. Find the average and RMS values of the output voltage, vo(t). A tua Fig.! VE) = A sin(wt) b) Consider the circuit shown in Fig. 2 below, where the diode is assumed to be ideal. Using your answer to part (a) above and basic properties of inductors in a switching circuit, write down the average value of the output voltage, Vo(t)....
*4.57 Consider the voltage-regulator circuit shown in Fig. P4.57. The value of R is selected to...
*4.57 Consider the voltage-regulator circuit shown in Fig. P4.57. The value of R is selected to obtain an output voltage Vo (across the diode) of 0.7 V. Figure P4.57 (a) Use the diode small-signal model to show that the change in output voltage corresponding to a change of 1 V in Vt is AV AV: = v* +-0.7 V+ V++V, -0.7 This quantity is known as the line regulation and is usually expressed in mV/V. (b) Generalize the expression above...
please answer this ASAP Answer the following questions for the below BJT amplifier circuit. Assume capacitors...
please answer this ASAP
Answer the following questions for the below BJT amplifier circuit. Assume capacitors are short in the signal circuit. Use Vr 25 mV,B = 100, Vpo = 0.7 V, and Ignore the early effect in the bias and signal circuits Find the Bias parameters of the amplifier circuit a) b) Find the small signal parameters of the amplifier. c) Draw the small signal equivalent circuit. Find the open loop voltage gain (Ayo), voltage gain (A,), total circuit...
5. s a de current and In the circuit shown in Fig. P e, is a...
5. s a de current and In the circuit shown in Fig. P e, is a sinusoidal signal. Capacitors C, and C, are very large; their function is to couple the signal to and from the diode but block the de current from flowing into the signal source or the load (not shown). Use the diode small-signal model to show that the signal component of the output voltage is V, If v, = 10mV, find v, for 1 = 1...
Q5. Consider the circuit in Fig.1 (right). Assume 9m, 9o, VT, W, L, Mn, and Cox...
Q5. Consider the circuit in Fig.1 (right). Assume 9m, 9o, VT, W, L, Mn, and Cox of the transistor are knwon and isolation capacitors are sufficiently large. Assume the transistor operates in saturation. (1) Find input resistance Rin (5 marks). (2) Find output resistance Rout (5 marks). (3) Find voltage gain v./vs (10 marks). (Q4). Right - MOSFET amplifier (Q5).
Q1. For the cascade amplifier circuit shown in Fig (1): a) What are the functions of the capacitors C, C2 and C3? And w...
Q1. For the cascade amplifier circuit shown in Fig (1): a) What are the functions of the capacitors C, C2 and C3? And what are the functions of the capacitors Cs and CE? b) What are the functions of the resistors RD and Rc? c) Draw the DC biasing circuits for each stage. d) Find loa, VGsa, VDs and gm for the JFET stage (you may use either mathematical or graphical methods) e) Calculate l, Ic, le and Ve for...
In Figure 9, the transformer primary voltage is 120V and step-downratiois 10:1 Assume the practical diode...
In Figure 9, the transformer primary voltage is 120V and step-downratiois 10:1 Assume the practical diode model. 9. a) i) Name the type of circuit (1 mark) Determine the peak output voltage, Volout) (4 marks) iiI What is the PIV rating required for the diodes (2 marks) D, D3 120 V psecy R Plout) 10 k2 DA Figure 9 b) A certain power supply filter produces an output with a ripple of 100mV peak-to- peak and a dc value of...
(c) The dual-switch forward converter in Fig. Q4(c) is supplied from an input voltage Vin of 42V, and switches at 100kHz with a duty factor of 0.35. The transformer T1 carries 50 primary turns and 34 secondary turns. The core used in T1 has an effective area of 45mm2 and an effective length of 72mm. The relative permeability of its core material is =1790. [NB: The permeability of free space IS μ.-1.257×10-94/m.] V.D D, L1 TRI - 01 N1 N2...
For the circuit shown in Fig. 10-12, calculate the current supplied by the voltage source and the voltage across the current source. V, 500 2.8345° A 1 3:25 n 100/0° v Fig. 10-12
2. For the circuit shown in Figure 4, assume the diode can be modelled by a Constant- Voltage Drop (CVD) (VD[on) = 0.7 V) for d.c analysis. 10 mA 5502 Zc = 0 int) DV D3 D2 V 100 sin(wt) mV vo(t) 1k 12 } 3k 22 Figure 4 (a) Determine the diode d.c current loi, Ioz, 103, Io and V. Check your assumptions. (b) Determine the output ac current, id and voltage, vd (c) Determine the output total current,...
ng 3. a) Consider the circuit shown in Fig. 1 below, where the diode is assumed to be ideal. Find the average and RMS values of the output voltage, vo(t). A tua Fig.! VE) = A sin(wt) b) Consider the circuit shown in Fig. 2 below, where the diode is assumed to be ideal. Using your answer to part (a) above and basic properties of inductors in a switching circuit, write down the average value of the output voltage, Vo(t)....
*4.57 Consider the voltage-regulator circuit shown in Fig. P4.57. The value of R is selected to obtain an output voltage Vo (across the diode) of 0.7 V. Figure P4.57 (a) Use the diode small-signal model to show that the change in output voltage corresponding to a change of 1 V in Vt is AV AV: = v* +-0.7 V+ V++V, -0.7 This quantity is known as the line regulation and is usually expressed in mV/V. (b) Generalize the expression above...
please answer this ASAP
Answer the following questions for the below BJT amplifier circuit. Assume capacitors are short in the signal circuit. Use Vr 25 mV,B = 100, Vpo = 0.7 V, and Ignore the early effect in the bias and signal circuits Find the Bias parameters of the amplifier circuit a) b) Find the small signal parameters of the amplifier. c) Draw the small signal equivalent circuit. Find the open loop voltage gain (Ayo), voltage gain (A,), total circuit...
5. s a de current and In the circuit shown in Fig. P e, is a sinusoidal signal. Capacitors C, and C, are very large; their function is to couple the signal to and from the diode but block the de current from flowing into the signal source or the load (not shown). Use the diode small-signal model to show that the signal component of the output voltage is V, If v, = 10mV, find v, for 1 = 1...
Q5. Consider the circuit in Fig.1 (right). Assume 9m, 9o, VT, W, L, Mn, and Cox of the transistor are knwon and isolation capacitors are sufficiently large. Assume the transistor operates in saturation. (1) Find input resistance Rin (5 marks). (2) Find output resistance Rout (5 marks). (3) Find voltage gain v./vs (10 marks). (Q4). Right - MOSFET amplifier (Q5).
Q1. For the cascade amplifier circuit shown in Fig (1): a) What are the functions of the capacitors C, C2 and C3? And what are the functions of the capacitors Cs and CE? b) What are the functions of the resistors RD and Rc? c) Draw the DC biasing circuits for each stage. d) Find loa, VGsa, VDs and gm for the JFET stage (you may use either mathematical or graphical methods) e) Calculate l, Ic, le and Ve for...
In Figure 9, the transformer primary voltage is 120V and step-downratiois 10:1 Assume the practical diode model. 9. a) i) Name the type of circuit (1 mark) Determine the peak output voltage, Volout) (4 marks) iiI What is the PIV rating required for the diodes (2 marks) D, D3 120 V psecy R Plout) 10 k2 DA Figure 9 b) A certain power supply filter produces an output with a ripple of 100mV peak-to- peak and a dc value of...
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