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Peak detection with PSoC 3 and PSoC 5

Posted: 10 Jun 2010     Print Version  Bookmark and Share

Keywords:PSoC 3  peak detection  peak detector techniques 

Accurately detecting the peaks in an input waveform can be useful in a variety of different applications. This application note describes several ways to implement various types of peak detectors in PSoC 3 and PSoC 5. A peak detector detects the peaks of an input waveform and produces an output based on the detected peaks. The output of the peak detector depends on the type of peak detector used. Some peak detectors produce a digital output consisting of information about when positive and negative peaks of a waveform occur. In this case, the digital information can also be used to determine the direction of the slope of the input waveform. Other peak detectors produce an analogue output with a magnitude equal to the last detected peak, or the magnitude of the maximum peak encountered. This application note describes how these three peak detection methods are implemented in PSoC 3 and PSoC 5.

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