Alternating Voltage Sensor Saved

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Alternating Voltage Sensor Saved

Circuit Description

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This circuit is first a difference amplifier that low-pass filters the differential signal with one pole, and also attenuates the signal. Next in the path is a second order low pass filter, with Butterworth damping. Finally, a summing junction shifts the level of the AC signal into a positive signal that is centered at 1.5 V. The summing junction also has a low pass filter. All together this a fourth order linear system. It has -9 dB attenuation at the corner frequency of 950 Hz.

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Creator

breazeworks

50 Circuits

Date Created

7 years, 3 months ago

Last Modified

1 year ago

Tags

  • low pass
  • active filter