i) Design and draw the circuit of an adjustable positive voltage regulator with output voltagerange of 10V to 15V and output current of Io = 0.5A.Use LM117/LM317 adjustable positive voltage regulator IC for your design. LM117/LM317 ICproduces 1.25 V between output pin (Vo) and ADJ pin when powered properly by DCsupply.(Assume ladj=100 µA)(ii)Why do we use a capacitor in the input and output sections of regulator lC?

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Answered: i) Design and draw the circuit of an…

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...

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What is the effective voltage in the primary of an ideal Trafo with a turns NP / NS = 660/60; connected to a half-wave rectifier with RC load, whose filter capacitor is 1000μF with a load of 100Ω whose average voltage of output is 13.05V? Draw the wiring diagram correctly and care with the units!
Subject : Electronics Engineering Find the range of load for zener voltage regulator under fixed input voltage with variable load. Draw the neat circuit diagram.
design a battery charger for safe operation in a damp garage environment to use for charging your 12 VDC car battery. Design specifications include: (a) Input is a 110rms VAC. (VP=110x ) at 60 Hz from a three wire service that meets the National Electrical Code. (b) Output is a nominal 12 volts VDC at the cathode of the diode. (c) Specify a resistor, R, to limit the maximum battery charging current to 10 amperes into the 12 volt car battery assuming the battery is completely dead (0 volts) when you first connect the charger. (d) There is no ripple voltage design specification. Explain why this is unnecessary in this application. (e) The battery charger case is metal. (f) Assume a diode with VF = 0.7 V (g) The fuse in the primary circuit is to protect the power supply from a short-circuit at the battery terminals either from total battery failure or accidentally short circuiting the charging cable to ground…
An enhancement PMOS FET has k =0.5. x 10-3 and Vt = -2 V. What is the value of VGS when ID = 10.32 mA?
A3 A Thermister has 6500oc resistance at 20oC, and its sensitivity is -7.2%/oC. Design a signalconditioning set-up for an out of 4V, at 21.5oC-with and without self-heating. Let Vs = 10V, and PD=of 4.1mW/oC.
Build an AC/DC dual power supply circuit that draws a 60Vp-p sinusoidal voltage, to provide a dc output voltage of +15 V. Full analysis of voltages and currents should be included. What modifications would you recommend to draw more current while maintaining same output voltage?
IDSS=8mA , VP =-4VTo help plot the DC load line VGS=VG-IDRSa)Attach a Plot of JFET Characteristic Curve as shown in Figureb)What is the approximate VGSQ?c)What is the approximate IDQ in mA?d)Determine source voltage VS.e)Calculate the drain voltage VD.f)Calculate the drain-to-source voltage VDS.
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.
activated as figure Draw the ID, VGS characteristic and show the operating point Q on the load line. NOTE = k = 0.5mA / V² and VGSth = 1v
During output power measurement DC gives a deflection whereas AC gives properoutput. Why? Explain it. (Voltmeter, Ammeter and Isolator Connection of a Simple Half Wave Rectifier Circuit.)
You are required to design the heatsink for the power transistor of a voltage regulator, keeping the heatsink cost minimal. The voltage regulator has an output voltage of 5 V and full load current of 500 mA. At full load, the regulator efficiency is 25 %, with the power transistor contributing to 45% of the power loss. The regulator is expected to operate at ambient temperature of between 20 °C and 40 °C. The heatsink temperature should not be more than 80 °C. Assume the cost of the heatsink is inversely proportional to the value of the thermal resistance  SA. The power transistor has the following parameters:  JC = 3 °C /W TJ,max = 150 °C Determine the thermal resistances,  CS and  SA.
What is the output voltage for the circuit diagram given below? For VGS(on) = 4.5V , ID(on)=75mA , RDS(on) = 6ohm

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