The output impedance of active filter is very low, which is perfect for efficient signal transfer to its succeeding stage especially if used in multistage filters.It has very high input impedance which enables an efficient signal transfer without losing any of it in its preceding circuit.It has an amplification factor which increases the amplitude of small signals.The benefit of using an active high pass filter is for better performance but mainly for amplification. High pass filters are mainly divided into two types i.e.Īn active filter means that its circuit contains an active component such as a transistor, operational amplifier (Op-Amp), etc. High pass filter is a frequency selecting electronic circuit that controls the frequency components in a signal by attenuating (blocking) the low-frequency components and allowing only high-frequency components. Active High Pass Filter – 1st Order & 2nd Order Active High Pass Filters
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