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Difference amplifier measures high AC voltage without heat

Posted: 22 Aug 2008     Print Version  Bookmark and Share

Keywords:AC voltages  difference amplifier  voltage divider  high voltage measurement system 

Circuit lets designers avoid linearity errors caused by self-heating in traditional difference amplifier designs. The article proposes a design in measuring high AC voltages that doesn't consume heat. The design uses a difference amplifier as an aid to the voltage divider.

The article also shows a comparison between the resistive dividers and the new high voltage measurement system and the drawbacks that the former has including errors, drifts and offsets.

View the PDF document for more information.





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