“Many applications require differential measurements in the presence of high common-mode voltages, and some measurement voltages are more than a few hundred volts. Accurate measurements at these voltages are not only difficult, but also costly. However, AD8479 can easily do this. As described in the AD8479 data sheet, the Resistor network attenuates very large common-mode voltages by 60 times while providing unity differential gain. However, many applications can benefit from funnel amplifiers because they can withstand high voltages while measuring very high signals by attenuating the signal to within the usable voltage threshold range.
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Many applications require differential measurements in the presence of high common-mode voltages, and some measurement voltages are more than a few hundred volts. Accurate measurements at these voltages are not only difficult, but also costly. However, AD8479 can easily do this. As described in the AD8479 data sheet, the resistor network attenuates very large common-mode voltages by 60 times while providing unity differential gain. However, many applications can benefit from funnel amplifiers because they can withstand high voltages while measuring very high signals by attenuating the signal to within the usable voltage threshold range. This kind of measurement is realized by using the precision resistance in AD8479 and the built-in attenuation coefficient.
Because AD8479 attenuates the signal by 60 times, other operational amplifiers inside the unit differential gain device must amplify the differential signal by 60 times. This gain is connected to the negative reference voltage (Ref
Many applications require differential measurements in the presence of high common-mode voltages, and some measurement voltages are more than a few hundred volts. Accurate measurements at these voltages are not only difficult, but also costly. However, AD8479 can easily do this. As described in the AD8479 data sheet, the resistor network attenuates very large common-mode voltages by 60 times while providing unity differential gain. However, many applications can benefit from funnel amplifiers because they can withstand high voltages while measuring very high signals by attenuating the signal to within the usable voltage threshold range. This kind of measurement is realized by using the precision resistance in AD8479 and the built-in attenuation coefficient.
Because AD8479 attenuates the signal by 60 times, other operational amplifiers inside the unit differential gain device must amplify the differential signal by 60 times. This gain is connected to the negative reference voltage (Ref
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