4. A Zener diode is connected in a voltage regulator circuit as shown in figure.2. The Zener voltage at I, = 0 is 15V and Zener incremental resistance 0.22. (a) Determine the value of Ri such that Zener diode remains in breakdown if the load current IL varies from 50 to 500 mA and if the input voltage Vi varies from 20 to 30 V. Assume lzmin = 0.21zmax- 5. With continuation to Q.4, Determine the power rating of each element in a circuit. R; V1 Vz RL VL Figure.2

4. A Zener diode is connected in a voltage regulator circuit as shown in figure.2. The Zener voltage at I, = 0 is 15V and Zener incremental resistance 0.22. (a) Determine the value of Ri such that Zener diode remains in breakdown if the load current IL varies from 50 to 500 mA and if the input voltage Vi varies from 20 to 30 V. Assume lzmin = 0.21zmax- 5. With continuation to Q.4, Determine the power rating of each element in a circuit. R; V1 Vz RL VL Figure.2

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

1- A 9.1V Zener diode at test current of 28 mA. The incremental resistance is 52. Find Vzo and the Zener voltage at a current of (a) 10 mA. (b) 100 mA.
H.W4 The diode in the single-phase half wave rectifier has a reverse recovery time of tr frequency = 5 kHz. 150usec and the source voltage V₁ = 200V at Calculate the average output voltage. EP
Draw the circuit diagram of a simple negative clamper with input and output wave forms for an input peak to peak voltage of Vpp= 12 V (Assume Germanium diode is used).
Discuss the working principle of a diode and also the equivalent models of a diode.
Please find I and V values (Diodes are made of Si). + 3 V 12 k. Y D2 6 kM - 3 V
Base from the values given. Fill in the questions.
Describe and show full wave rectification using two diodes.
diode zener a, DESIGN THE NETWORK IN THE FIGURE, TO KEEP, "VL" at 12 V for a variation in load (IL) from 0 to 200 mA, DETERMINE "Rs" and "Vz" b. determine "P2min" for the Zener diode from section a
Sketch the I-V characteristic curve for a real diode and label the main parameters and regions.
Q2/ Determine the minimum input voltage required for regulation to be established in the figure. Assume an ideal zener diode with Izx 1.5 mA and Vz 14 V. R S60 1 Ves
Determine the output waveform of the biased clipper below using the simplified diode model.a.) Analyze the behavior of the circuit and fill up the table below. Vin Diode State (Forward Biased or Reversed Biased) Vout 5V 7V 0V -3V -6V b.) Draw the output waveform.
Q4/: A full-wave bridge rectifier at (2:3) transformer with a [77 sin(2n x 100 x 10³t)] rms input signal has a load resistor of 3.3k2. Draw the rectifier circuit and: 1. Sketch and determine effective waveform voltage (VL-P) at the load. 2. Determine the required PIV rating of the diode. 3. What input frequency and output frequency ? 4. What is the de voltage available at the load? 5. Explain who could filtering output signal. 6. Draw circuit that give opposite out waveform. 7. Why connect circuit in this form.