The Keysight Two-Minute Tutor Series is an introductory course on test and measurement launched by Keysight Technologies, and is delivered by Daniel Bogdanoff, a Keysight Technologies engineer. The main course content of this season is the basic knowledge and operation demonstration of oscilloscope test and measurement, as well as some common oscilloscope application tips and precautions. Mainly include: oscilloscope acquisition mode, triggering incidental signals, ACDC coupling, oscilloscope bandwidth and sampling rate, waveform capture rate, noise, bandwidth limit, jitter measurement, protocol decoding, etc.
The circuit is used to monitor the voltage value of the three-phase power supply. The upper part is the voltage sampling signal, and the lower part is used to power the microcontroller. Can anyone exp
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