Resistive voltage divider with high voltage ratio
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United States of America Patent
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Feb 28, 2017
Grant Date -
Mar 31, 2016
app pub date -
Dec 8, 2015
filing date -
Feb 25, 2011
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Abstract
A resistive voltage divider includes at least a first and a second resistor electrically connected in series. The resistors are made of an electrically resistive film material and each resistor is applied as a trace onto an insulating substrate. The divider's voltage ratio has a value between one hundred and one million. In order to achieve these high voltage ratios, a third resistor is electrically connected in parallel with the second resistor. The trace of the second and of the third resistor each overlap on one end at least in part with a first contacting terminal and on the respective other end at least in part with a second contacting terminal. A compact size of the divider is maintained by arranging the first and second contacting terminals in an interdigitated manner.
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