Electronics Fundamentals: Circuits, Devices & Applications
8th Edition
ISBN: 9780135072950
Author: Thomas L. Floyd, David Buchla
Publisher: Prentice Hall
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Chapter 19, Problem 26P
In the shunt regulator of Figure 19-72, when the load current increases, does
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If the no load output voltage of a regulator is 15.5 V and the full load output is 14.9 V, what is the percent
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Chapter 19 Solutions
Electronics Fundamentals: Circuits, Devices & Applications
Ch. 19 - A comparator will have a positive output whenever...Ch. 19 - Prob. 2TFQCh. 19 - Prob. 3TFQCh. 19 - Prob. 4TFQCh. 19 - Prob. 5TFQCh. 19 - The output of a Wien-bridge oscillator is a...Ch. 19 - A Wien-bridge oscillator uses both positive and...Ch. 19 - A two-pole filter has a maximum roll-off rate of...Ch. 19 - Prob. 9TFQCh. 19 - Prob. 10TFQ
Ch. 19 - Prob. 1STCh. 19 - To use a comparator for zero-level detection, the...Ch. 19 - Prob. 3STCh. 19 - Prob. 4STCh. 19 - The gain of the amplifier in Question 4 is -1 -2.2...Ch. 19 - To convert a summing amplifier to an averaging...Ch. 19 - Prob. 7STCh. 19 - Prob. 8STCh. 19 - The feedback path in an op-amp differentiator...Ch. 19 - Prob. 10STCh. 19 - Prob. 11STCh. 19 - Prob. 12STCh. 19 - Determine the output level (maximum positive or...Ch. 19 - A certain op-amp has open-loop gain of 80,000. The...Ch. 19 - Prob. 3PCh. 19 - Determine the output voltage for each circuit in...Ch. 19 - Determine the following in Figure 19—62: VR1 and...Ch. 19 - Find the value of Rf necessary to produce an...Ch. 19 - Find the output voltage when the input voltages...Ch. 19 - Determine the values of the input resistors...Ch. 19 - Determine the rate of change of the output voltage...Ch. 19 - A triangular waveform is applied to the input of...Ch. 19 - Prob. 11PCh. 19 - Calculate the resonant frequency of a lead-lag...Ch. 19 - Determine the JFET drain-to-source resistance in...Ch. 19 - Explain the purpose of D1 in Figure 19-66.Ch. 19 - Find the frequency of oscillation for the...Ch. 19 - What type of signal does the circuit in Figure...Ch. 19 - Prob. 17PCh. 19 - Determine the number of poles in each active...Ch. 19 - Calculate the critical frequencies for the filters...Ch. 19 - Determine the bandwidth and center frequency of...Ch. 19 - Determine the output voltage for the series...Ch. 19 - If R3 in figure 19-70 is doubled, what happens to...Ch. 19 - Prob. 23PCh. 19 - A series voltage regulator with constant-current...Ch. 19 - If R4 (determined in Problem 24) is halved, what...Ch. 19 - In the shunt regulator of Figure 19-72, when the...Ch. 19 - Assume that IL remains constant and VIN increases...Ch. 19 - Open file P19-29; files are found at...Ch. 19 - Open file P19-30 and determine if there is a...
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- A buck regulator with an input voltage of 15V and an average output voltage of 5V, has peak to peak output voltage ripple requirement of 20 mV The switching frequency is 20 kHz and the peak-to-peak ripple current of the inductor is limited to 0.6A, then the duty cycle is Option 1: 0.7 Option 2: 0.3 Option 3: 0.67 Option 4: 0.33arrow_forward4. (2 Vettage Reg AC Source Trans Rectifier Lead Filter former asuning that the iput s draw the resulfing waveferm at each numbered Sine wavearrow_forwarddesign a Zener regulator to meet these specifications; load voltage is 6.8V, source voltage is 20V, and load current is 30mAarrow_forward
- Problem: If the no-load output voltage of a regulator is 15.5 V and the full-load output is 14.9 V, what is the percent load regulation?arrow_forward2.A Boost converter has an input voltage of 5V and required output voltage is 15V at 25KHzwhen L=150µH and C=220µf and average load current of 0.5A.Determine i) Duty cycle ratio ii)peak to peak ripple current through inductor iii) peak to peak ripple voltage iv) critical values of L & Carrow_forwardDesign a square wave generator using OPAMP to have output frequency of 2.5KHZ with variable duty cycle from 30% to 70%. Note: You have to use diodes in the feedback path.arrow_forward
- the way of work buck dc-to-dc converterarrow_forwardA filtered rectifier has a 15 Vdc output with 100 mVp-p of ripple. The peak output voltage for the circuit is A. 47.2 V peak B. 15.1 Vpeak C. 14.9 Vpeak D. 15.05 Vpeakarrow_forwardDetermine the following A. Input Voltage B. Input impedance C. No load voltagearrow_forward
- In CRO, oscillator circuit that produces sweep wave is called The armature core of a dc generator is laminated to reduce O copper loss O eddy current loss friction loss O hysteresis loss In transformer, the power will with increase in voltage. O remain same O be doubled O increases decreasesarrow_forwardIf the no-load output voltage of a regulator is 24.8V and the full-load output is 23.9V, what is the load regulation expressed as a percentage?arrow_forward2: Determine and plot the output voltage for the network of Figure shown below for the input indicated. And Compute the discharging time constant. And the essential condition for clamper circuit normal operation F=100 KHz 10 µF 20 V C 50 KOhm 10V -20 Varrow_forward
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