High-Pass First Order Filter

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High-Pass First Order Filter

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The high pass filter can be used to filter out undesired low frequencies.

Gain K: The filter gain K determines the high frequency gain of the filter.
Frequency f: The filter roll off stops at frequency f in Hz. Higher frequencies will pass the filter, lower frequencies will be filtered out.

Transfer function of the filter:

EquationHighPassFirstOrder.gif (1550 bytes)