QUESTIONS Why the timing periods are independent of the supply voltage in a timer IC 555 circuit? 1. 2. What is the function of internal transistor T1 in the IC 555? What main advantages do you think the Pulse width modulated signal has over Pulse Amplitude Modulated signal? 3. What is the reason for the error which is inevitably present on the PW demodulated signal? 4. Why a 100K resistor is connected across the 0.1 pf capacitor in the PW demodulator circuit? 5.

QUESTIONS Why the timing periods are independent of the supply voltage in a timer IC 555 circuit? 1. 2. What is the function of internal transistor T1 in the IC 555? What main advantages do you think the Pulse width modulated signal has over Pulse Amplitude Modulated signal? 3. What is the reason for the error which is inevitably present on the PW demodulated signal? 4. Why a 100K resistor is connected across the 0.1 pf capacitor in the PW demodulator circuit? 5.

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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