This CFAs directory contains Archived PDF files, mostly which were originally posted on WaltJung.org. They contain copyrighted material, and cannot legally be posted anywhere else without permission. These are the most recently modified file(s): High_Performance_Audio_Stages_Using_TransZ_Amps.pdf Added 3/29/19 Current_Feedback_Amplifiers_Benefit_High_Speed_Designs_Franco_EDN_010589.pdf Note that this classic article by Professor Franco is now 30 years old as of January 5. But nevetheless it is still just as timely as ever. Send any questions to WaltJung@ownmail.net, and thanks to everyone for their interest and support! Walt Jung 03/29/19