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16bit PPG Timer Version 1.0
Chapter 2 PPG Overview
2 PPG Overview
Chapter 2 is an overview of PPG.
2.1 Background
It is generally used in communication, electronics, automation and so on. In
communication, the duty or frequency can be used to identify the protocol. In
electronics, it can be used to design switching power supply. In automation, it can be
used to control motors.
2.2 PPG Formats
PPG format consists of frequency and duty. PPG’s waveform is shown as below.
Figure 1. PPG Formats
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