11) 20pts. The zener limiter circuit s V R often used as a low power voltage...
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...
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...
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
Electronic Devices and Circuits ENGI27907 01 Q2. For the circuit shown in Figure 2, Vi=15V, R-2000, the zener diode is 1N4741A with the characteristics obtained from data sheets given below: a Find the minimum value for the rheostat resistance R., for which the zener diode will still maintain regulated voltage Vin across the load R. b. Discuss the current pass through the zener diode and the voltage across it, if the rheostat is turned to 1200 c. If the no-load...
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...
(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...
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
All used in the next circuit diodes are silicon. Zener of diode D2 the voltage is 8 V, the zener voltage of the D4 diode is 5.6 V It is given as. Applied input voltage Vin = 20 sin (ωt) is determined as V. Output of the circuit voltage changes according to the applied voltage of Vin Analyze the circuit and draw it. (Simplified of diode element model will be used.) (I can't analyze. Please explain) R + D D3...
Design a 7.5-V zener regulator circuit using a 7.5-V zener specified at 10 mA. The zener has an incremental resistance r, = 30 Q 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...
Zener Diode as an Voltage Regulatorz A 1N756 (8.2 V at 25 C) is used as an 8.2 V regulator in the circuit shown. 1. Measure the total current in the source (without Ru). 2, Measure the total current, lz and IRL for R.-7ΚΩ 3. What is the smallest load resistor that can be used before losing regulation? Then measure Iz and I 10 ko IN756 o V