In the circuit shown, a 5 V Zener diode is used to regulate the voltage across load R.. The input is an unregulated DC voltage with a minimum value of 6 V and a maximum value of 8 V. The value of R₂ is 6 2. The Zener diode has a maximum rated power dissipation of 2.5 W, Assuming the Zener diode to be ideal, the minimum value of R is 22 wwwww www

In the circuit shown, a 5 V Zener diode is used to regulate the voltage across load R.. The input is an unregulated DC voltage with a minimum value of 6 V and a maximum value of 8 V. The value of R₂ is 6 2. The Zener diode has a maximum rated power dissipation of 2.5 W, Assuming the Zener diode to be ideal, the minimum value of R is 22 wwwww www

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

See similar textbooks

Similar questions

Draw the circuit diagram of a single phase full-wave uncontrolledrectifier with R-load. Describe its principle of operation. Draw thewaveforms of: input voltage, voltage across the load, current throughthe diodes and their voltage. Write the expressions for: the averageoutput voltage Vd, the maximum reverse voltage across the diode and thestandard transformer power. Describe what the difference will be if acapacitor is added in parallel with the load at the output.
Consider the following circuit (See image):Show that it is a unity gain absolute value circuit, consider ideal diodes
Consider the diode circuit shown below. If Vs is a sinewave with a peak amplitude of 12 Volts at 60Hz, and diodes D1 & D2 are considered ideal, sketch the appearance of the waveform at node voltage Vout . Sketch the appearance of the waveform at Vout .
Sketch current I vs, voltage V for the circuits below. The breakdown voltage of the Zener diodes are shown. Assume 0.6V for all diodes (including Zener diodes) in the forward bias region.
A 10 V Zener diode is used to regulate the voltage across a variable loadresistor. The input voltage Vs varies between 13 and16 V. The loadcurrent (??) varies between 10 and 85 mA. The minimum Zener current is15 mA. Findi. The maximum value of Rsii. The maximum power dissipated by the Zener diode, using the value ofRs.
Two identical Schottky diodes are connected in series, one in the forward and the other in reverse direction, see figure. Assume the reverse saturation current, IS, of each diode to be known. Derive he current-voltage curve I(V) of this circuit. Plot it with the ratio I / IS on the y-axis and V / Vth on the x-axis. Make sure to cover a broad range of voltages, say, from –10 Vth to 10 Vth.
In the figure, SCR semiconductor switched rectifier to a 220 Vrms ac source at 50 Hz, at load Vdc = 100 V, R = 8 Ω and has an inductor large enough to supply continuous current. (a) Trigger angle α = 25o determine the total power absorbed by the load. (b) If the inductance value is 30 mH, the change value from the top Determine.
A schematic design of a full-wave bridge type power supply is given below. Provide the appropriate values for the inductors, diodes, capacitor and resistors, such that the output DC voltage is 6.2 V and the max. output power for the load resistance is 20 mW (percentage error for output voltage and output power is 2%). AC voltage source: Amplitude=311.13, Freq=60, DC offset= 0. For the rectifier part, choose diodes with an appropriate PIV rating. Show all the formulas and computations involved in acquiring the values for the inductors, diodes, capacitor and resistors. In choosing your Zener diode, consider the output voltage and the output current. Note that the output current should be the minimum Zener current. For the value of the series resistor RS, choose a lower value for less ripple but always consider the required output voltage. The ripple voltage peak-to-peak value should be less than or equal to 1% of the required output voltage. Use the formula below for choosing the value…
The npn transistor is connected in a “diode” configuration. Use the transport modelequations to show that the i-v characteristics of thisconnection are similar to those of a diode as defined. What is the reverse saturation currentof this “diode” if IS = 4 × 10−15 A, βF = 100, andβR = 0.25?
Zener diodes are special purpose diodes designed to operate in their breakdown regions. Describe the working principle and characteristics of a typical Zener diode found in the market place. The Zener-diode regulator circuit shown below is to be used to provide a stabilised output to the load. The zener diode characteristic is also shown. Find the load voltage and source current if the battery voltage is 20 V, series resistance is 1.4 kohm and load resistance is 6 kohm
The npn transistor is connected in an alternate“diode” configuration. Use the transport model equations to show that the i-v characteristics of this connection are similar to thoseof a diode as defined. What is thereverse saturation current of this “diode” if IS =5 × 10−16 μA, βF = 60, and βR = 3?
Determine the ripple factor for the filtered rectifier circuit below when RL= 4KQ. Then explain briefly the effect of changing in the RL value on the output waveform.