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50012 V R 2. (15 points) The Zener diode in the circuit has a voltage Vzo...
5000 10.2 S pts) The Zener diode in the circuit on the right voltage V 20...
5000 10.2 S pts) The Zener diode in the circuit on the right voltage V 20 = 8.5V., and Zener resistancerz the circuit on the right has a Zener d) Find the Thevenin equivalent circuit as seen by lo b) Find the output voltage if a loa Find the output voltage if a load R, is connected and it draws a 1.5 mA current. Determine the value of RL c) How small can the load R, be, while ensuring that...
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...
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...
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 V...
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...
Question 22 The Zener diode 1N4744A, shown in the figure, has Vz=15 V, IZK = 0.25...
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
11) 20pts. The zener limiter circuit s V R often used as a low power voltage...
11) 20pts. The zener limiter circuit s V R often used as a low power voltage regulator for a DC power supply. This circuit is an example in load A) Find R so that the maximum power dissipated in the zener diode is Po for any possible value of Road given P, Vin and B) What is the maximum current that the load can draw before the zener stops regulating the voltage? C) When the circuit is regulating the voltage...
Design a 7.5-V zener regulator circuit using a 7.5-V zener specified at 10 mA. The zener...
Design a 7.5-V zener regulator circuit using a 7.5-V zener specified at 10 mA. The zener has an incremental resistance rz = 30 Ω and a knee current of 0.5 mA. The regulator operates from a 10-V supply and delivers a nominal current of 5 mA to the load. What is the value of R you have chosen? What is the regulator output voltage when the supply is 10% high? Is 10% low? What is the output voltage when both...
2.19 Consider the circuit shown in Figure P2.19. The Zener diode voltage is Vz = 3.9...
2.19 Consider the circuit shown in Figure P2.19. The Zener diode voltage is Vz = 3.9 V and the Zener diode incremental resistance is ra = 0. (a) Deter- mine Iz, Il, and the power dissipated in the diode. (b) Repeat part (a) if the 4 k 32 load resistor is increased to 10 KS2. 12 k22 " 1112 vz$ 111 462 20 v= Figure P2.19
The circuit above is a Zener voltage regulator using D1N750 zener diode with Vz=4.7V: 1. Calculate...
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...
6. In the zener diode regulator circuit below calculate the value of the current through the...
6. In the zener diode regulator circuit below calculate the value of the current through the zener Diode if the power supply is rated at 24 volts @ 500 milliamperes. The load voltage is 12 volts and draws a current of 300 milliamperes. Also calculate the value of the series resistance R. ZENDER LOAD DIODE 24 VDC Vz 12 Volts @ 300 mA
(a) The following circuit shows a linear voltage regulator. Assuming the zener diode has specifications (VZ = 2.5 V, IZ...
(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...
5000 10.2 S pts) The Zener diode in the circuit on the right voltage V 20 = 8.5V., and Zener resistancerz the circuit on the right has a Zener d) Find the Thevenin equivalent circuit as seen by lo b) Find the output voltage if a loa Find the output voltage if a load R, is connected and it draws a 1.5 mA current. Determine the value of RL c) How small can the load R, be, while ensuring that...
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...
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...
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
11) 20pts. The zener limiter circuit s V R often used as a low power voltage regulator for a DC power supply. This circuit is an example in load A) Find R so that the maximum power dissipated in the zener diode is Po for any possible value of Road given P, Vin and B) What is the maximum current that the load can draw before the zener stops regulating the voltage? C) When the circuit is regulating the voltage...
2.19 Consider the circuit shown in Figure P2.19. The Zener diode voltage is Vz = 3.9 V and the Zener diode incremental resistance is ra = 0. (a) Deter- mine Iz, Il, and the power dissipated in the diode. (b) Repeat part (a) if the 4 k 32 load resistor is increased to 10 KS2. 12 k22 " 1112 vz$ 111 462 20 v= Figure P2.19
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...
6. In the zener diode regulator circuit below calculate the value of the current through the zener Diode if the power supply is rated at 24 volts @ 500 milliamperes. The load voltage is 12 volts and draws a current of 300 milliamperes. Also calculate the value of the series resistance R. ZENDER LOAD DIODE 24 VDC Vz 12 Volts @ 300 mA
(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...
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