LC Filter Calculator
T & Pi — Low Pass / High Pass
RF / Signal
T Low-Pass Filter
Cutoff Frequency
LInductance
CCapacitance
Cutoff Freq (fc)

Calculate Impedance
LInductance
CCapacitance
Impedance (Zo)
Calculate L & C
fCutoff Frequency
ZImpedance
Inductance (L)
Capacitance (C)
Pi Low-Pass Filter
Cutoff Frequency
LInductance
CCapacitance
Cutoff Freq (fc)

Calculate Impedance
LInductance
CCapacitance
Impedance (Zo)
Calculate L & C
fCutoff Frequency
ZImpedance
Inductance (L)
Capacitance (C)
T High-Pass Filter
Cutoff Frequency
LInductance
CCapacitance
Cutoff Freq (fc)

Calculate Impedance
LInductance
CCapacitance
Impedance (Zo)
Calculate L & C
fCutoff Frequency
ZImpedance
Inductance (L)
Capacitance (C)
Pi High-Pass Filter
Cutoff Frequency
LInductance
CCapacitance
Cutoff Freq (fc)

Calculate Impedance
LInductance
CCapacitance
Impedance (Zo)
Calculate L & C
fCutoff Frequency
ZImpedance
Inductance (L)
Capacitance (C)