Keywords: Constant-k Bandpass LC L-section.svg Constant k band-pass filter L half-section For constant-k operation L<sub>1</sub> C<sub>2</sub>k<sup>2</sup> and L<sub>2</sub> C<sub>1</sub>k<sup>2</sup> Own Inductiveload 2009-04-19 LC filters Constant-k filters Bandpass filter circuits |