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What is the duty cycle (percentage) of a signal if TON equals ToFf?

What is the duty cycle (percentage) of a signal if TON equals ToFf?

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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10. What is the duty cycle (percentage) of a signal if TON equals TOFF?
Transcribed Image Text:10. What is the duty cycle (percentage) of a signal if TON equals TOFF?
Expert Solution
Step 1

Each Period of PWM signal is divided into T-ON and T-OFF. Where T-ON is the Time required or taken for the pulse to remain ON i.e in a HIGH state and similarly T-OFF is the Time required or taken for the pulse to remain OFF i.e in a LOW state.

Now , the DUTY-CYCLE is the percentage of period required for T-ON. For example if T-ON=T-OFF then the period is divided into 2 equal parts i.e 50(TON):50(TOFF). Hence the DUTY-CYCLE will be 50%. If T-OFF is 3 Times T-ON then period is divided into 2 unequal Parts i.e 25(TON):75(TOFF) .. hence DUTY-CYCLE in this case will be 25%. DutyCycle can be expressed as a simple formula given below:

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