1.a. What are the two comparator reference voltages in a 555 timer when Vcc = 10 V? 1.b. Determine the frequency of oscillation for the 555 astable oscillators in Figure. 1.c. To what value must Cext be changed to achieve a frequency of 25 kHz? +5.5 V

1.a. What are the two comparator reference voltages in a 555 timer when Vcc = 10 V? 1.b. Determine the frequency of oscillation for the 555 astable oscillators in Figure. 1.c. To what value must Cext be changed to achieve a frequency of 25 kHz? +5.5 V

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Differential amplifier

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Step 1: Determine the given variables

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Step 2: 1a. Comparator reference voltage

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Step 3: 1b. Calculating frequency

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Step 4: 1c. Calculating the value of capacitor

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Step 5: 1d. Calculating the value of resistance

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