1µF 1N4001 22KQ 5 V Figure 4.3
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- Q4) Determine and sketch the output voltage across the load resistor (RL) for the circuit shown below. (assume Si diodes) V_DC 0.75 0.25 V_SIN Y SIN as RL -1 v SOR V_SQR 0.75 -0.75 V_TRI V TRI asFor the circuit shown below, the diode cut in voltage is Vy0.7V. Th value of I, varies over the range 0 s l, s 6mA. The Value of R-2.4kn and the value of Ve 4.8V Vo At which value of l, does the diode turn on O a.2.292 mA b. 1.833 mA c. 2.865 mA O d. 1.467 mA If l = 2.1mA, What is the value of Vo O a. 5.04 V O b. 4.03 V O c 6.3 V O d. 3.23 V If l= 1.6mA, What is the value of lo O a. 1.917 mA b. 0 mA O c 0.639 mA O d. 1.278 mA EO oFor a diode connected NMOS, determine the required drain to source voltage (in V) to produce a drain current of 9.41 µA. Assume the following specifications for the NMOS: k = 6.91 µA/V2, W/L = 7, VTH = 0.9 V, LAMBDA = 0 V-1. Express your answer using 3 decimal places.
- A 1N4738A zener diode has a ZZ of 4.5 Ω. Taking the data from the datasheet we have VZ = 8.2 V with a test current, IZ, of 31 mA. What is the voltage across the zener terminals when the current is 15 mA? When the current is 55 mA? Make the representation of the values by means of their curve characteristic.Consider the circuit shown in the figure below with Ry=13 ko and R=9 kO. The Zener diode voltage is Vz = 3.5 V, then the currents Iz and , respectively, are equal to: R1 ww 20 V O a. 1.280 mA, 0.789 mA O b. 0.680 mA, 0.189 mA O c. 0.880 mA 0.389 mA O d. 1.080 mA, 0.589 mAExcept for FinFET and GaaFET discussed in the lecture, there are many new designs of FET. Please do a detailed study on any of them. In less than 200 words, state the advantages of it over the traditional
- Q.7 Light-emitting diode (LED) is simply a diode that is designed to emit light. Voltage drop for LED is 0.8V. What happens to the LED when it is connected to the voltage source as in Figure A1? Why? (Describe in terms of majority carrier movement). LED 5V 1kQ Figure AlIn the circuit shown below, given Vpo = 0.7 V, R, =3KO, R3=4KO, and R3=3 KO, then the diodes operating currents loi and Ioz, respectively, are equal to: %3D IDI DI D2 ID2 RI R2 R3 4V O a. 6.6152 mA, 6.2515mA O b. 0.6152 mA, O.2515mA O c. 2.6152 mA, 2.2515mA O d. 4.6152 mA, 4.2515mAConsider the circuit shown in the figure below with R1=16 ko and R=8 klQ. The Zener diode voltage is Vz = 3.5 V, then the currents Iz and lu respectively, are equal to: Ri of ww RL 20 V O a. 0.594 mA, 0.438 mA Ob. 0.394 mA 0.237 mA Oc 0.794 mA, 0.637 mA O d. 0.994 mA, 0.838 mA
- Since R1=4.51 Kohm, R2=1.19 Kohm R3=2.74Kohm R4=5.60Kohm VCC=23.00V and diode silicon in the circuit given in the figure, find the current passing through the diode in mAFind the values of ID1 current and VO voltage shown in the circuit below. The voltage drops in the conduction states of the diodes will be taken as 0.7V. (VD1 = VD2 = 0.7V, R1 = R2 = 6kΩ).(c) Figure Q4(c) illustrates a full-wave bridge rectifier used in ac voltmeter circuit. i) Explain the operation of diode D1, D2, D3 and D4. ii) Calculate the value of resistance R., ac sensitivity and de sensitivity. D1 D2 V=20Vme Rs 03 In=1mA R=2502 D4 R=2502 Figure Q4(c) Full Wave Bridge Rectifier