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L-C High-Pass Filter Reduces Power Supply's Hum And Ripple

March 1, 2007

R-C Twin-Tee Circuit Reduces Power-Supply Hum

May 11, 2006

L-C Transformer Cuts Cost And Size, Adds Low-Pass Filtering

July 21, 2003

Passive RC Filters Afford Low Cost And High Selectivity

Feb. 3, 2003

Wideband Filter Only Has Two Different Components

Jan. 21, 2002

Richard M. Kurzrok