On infrequent occasions, I am asked to design a circuit to measure the RMS value of a current or voltage for some kind of power measurement. Since the work I do is hardly unique, I thought some of you ...
How many times have you poked around a circuit with a digital multimeter (DMM), read an AC voltage value, then gone on your merry way? Ever wonder if your meter is giving you peak value, average value ...
When soldered to a 2V-input, 31⁄2 digit DMS-30 Series meter, the DMS-EB-RMS Application Board enables the meter to display the true rms value of AC voltages up to 750V with a resolution of 1V. When ...
Understanding the causes, similarities, and differences between current and voltage distortion will help you pinpoint most power quality problems. When a writer or speaker mentions harmonic distortion ...
The design of a true 100µV rms-to-DC converter can be straight-forward, explain Chau Tran and David Karpaty from Analog Devices. A fundamental measure of an ac signal, root mean square (rms) is ...
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