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2.19 Consider the circuit shown in Figure P2.19. The Zener diode voltage is Vz = 3.9...
Problem 3: (20 points) A zener-diode voltage regulator circuit is shown belkw zener diode has breakdown voltage Vz 8.0V and the zener resistance is nsumed to be 0 ohms. The power supply voltage Vps can vary between 10V and 14V and the lod resistance Ri can vary between 100 ohms and 1 kohm, 圧 1. Find a value of R such that the zener diode remains properly biased over the range of variation of Vps and RI (hint: the minimum...
In the voltage regulating circuit that is shown the zener diode has Vz=4.8V. Its current its limited by the interval . Find the interval of the possible load resistances and the minimum and maximum power dissipated by the diode. Answer and 5mA < 12 < 100m.4
The circuit above is a Zener voltage regulator using D1N750 zener diode with Vz=4.7V: 1. Calculate the minimum value of E in order to have the voltage across RL regulated VL=Vz 2. Using Orcad PSpice schematics, simulate the circuit using bias point and find Iz, IL, Is and Vz (the circuit must have all voltages and currents values shown). 3. Using Orcad PSpice schematics, use DC sweep to vary RL from 200 ohm to 1000 ohm and plot VL (for...
Consider a zener diode with the model shown. Not that Vz and Rz are known. a) Find an expression for the current through and the voltage drop on the diode -for no load (RL=infinity) -for a given finite load RL. b) Find the numerical values of current through and voltage on the diode in the presence and absence of a load when: Vb=12V Vz=4V Rs=1kΩ Rz=40Ω RL=1kΩ uitu the Nuo d Shown Rz tue eradt thkough aud Rs and UO
(a) The following circuit shows a linear voltage regulator. Assuming the zener diode has specifications (VZ = 2.5 V, IZ = 60 mA), select adequate resistor values to provide a regulated output voltage Vo = 10 V from an unregulated voltage Vi = 15V. (b) Calculate the power efficiency of the regulator when a load RL = 10Ω is connected to the regulator output. (c) Briefly explain the terms “dropout”, “line regulation”, and “load regulation”, as they apply to voltage...
that's all information it gives A zener-diode voltage regulator circuit is shown below. The tage V 8.0V and the zener resistance is assumed to Problem 3: (20 points) zener diode has breakdown vol be 0 ohms. The power supply voltage Vps can vary between resistance RL can vary between 100 ohms and 1 kohm. 10V and 14V and the load Ri PS 1. Find a value of Ri such that the zener diode remains properly biased over the range of...
Question 22 The Zener diode 1N4744A, shown in the figure, has Vz=15 V, IZK = 0.25 mA and IZM-72 mA. Determine the output voltage at the load RL 15092 SRL 1502 4.0 V 8V 15V
(c) A loaded zener regulator is shown in Figure 3. Given Vz= 5.1 V at, Iz = 49 mA, Izk= 1 mA, Zz = 72 and Izm= 70 mA. [Satu pengatur beban zener ditunjukkan di dalam Rajah 3. Diberikan V2 = 5.1 V, Iz = 49mA, Izx = 1mA, 2-7 dan Izm = 70mA.] i) Calculate the minimum and the maximum load currents for which the zener diode will maintain the regulation. [Kirakan nilai minima dan maksima arus beban untuk...
Table 1: Zener Diode Parameters Description Quantity Value 1.0 W Po Absolute maximum power dissipation Typical zener voltage 5.6 V Minimum zener (knee) current 1.0 mA 45 mA Typical zener current Maximum zener current IZM Zz Zener impedance Zener knee impedance 179 mA 52 600 22 25 °C ZzK ΤΑ Rated ambient temperature 1N4004 Rs = 100 22 220 uF 1N4734A Transformer Vs = 12.6 VRMS 1N4004 60 Hz 2. Going back to Figure 1, remove the load resistance (or,...
2 of 2 3. In the circuit shown at the right the Zener diode has the properties given at the bottom of the figure R2 25 ohm R1 VBB 20 ohm D 30 V a) Determine the power dissipated in the Zener P- 10 W Vzz=10V b) Repeat (a) if R, is removed from the circuit