RC High Pass Filter

Since capacitive reactance decreases with frequency, the RC circuit shown discriminates against low frequencies. The circuit is an AC voltage divider with an output which falls off at low frequencies at the rate of 6 dB per octave.

Filter Circuits

Index

Capacitance concepts

Inductance concepts

HyperPhysics***** Electricity and Magnetism

RC High Pass Filter Details

RC high pass filter

Filter Circuits

Index

Capacitance concepts

Inductance concepts

HyperPhysics***** Electricity and Magnetism

RC High Pass Filter Calculation

Since capacitive reactance decreases with frequency, the RC circuit shown discriminates against low frequencies. The circuit is an AC voltage divider with an output which falls off at low frequencies at the rate of 6 dB per octave.

Filter Circuits

Index

Capacitance concepts

Inductance concepts

HyperPhysics***** Electricity and Magnetism