Pstat.SetAchFilter()

Type: INSTANCE FUNCTION

Purpose: Pstat.SetAchFilter() sets the two-pole Butterworth low-pass filter on the auxillary measuring channel.

If the parameter passed by SetAchFilter is a frequency in Hz, the driver then selects the most appropriate filter setting able to pass information corresponding to this frequency.

NOTE: Do not use the No Filter setting (0) under normal circumstances. It is to be used exclusively for AC impedance measurements beyond 100 kHz.

Usage: FilterSet = Pstat.SetAchFilter(Freq)

       
  Freq REAL

Frequency of interest in hertz

    or  
    INDEX

Filter to select

0 = No Filter

1 = 200 kHz

2 = 1 kHz

3 = 5 Hz

    or  
    BOOL FALSE = Ground. No Pass Filter setting.

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