GH580 filter equivalent, adjustable analog highpass filter.
* 200 to 8 kHz adjustable corner frequency
* 12 dB/oct Butterworth filter
* low current drain (175 µA typical)
* two on chip 1 nF capacitors
* low noi.
The GH580 is a single, second order (12 dB/Oct) continuous high pass filter with an adjustable corner frequency (ƒC) from 200 to 8 kHz. Adjustment of ƒC is accomplished with a single 100 kΩ potentiometer connected from pin 3 to ground. The bias circu.
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