Category : Science and Education
Archive   : EEPUB06.ZIP
Filename : FILTER.DOC

 
Output of file : FILTER.DOC contained in archive : EEPUB06.ZIP
THE FOUR FILES FILDES,FILPLT,FILSYP & FILTRP ARE ALL PART OF A
FILTER DESIGN PROGRAM WRITTEN BY TIM REGAN OF NATIONAL SEMICONDUCTOR
CORP. THEY DESIGN LP,HP,BP & NOTCH FILTERS. THEY USE BUTERWORTH,
CHEB. & ELLIPTIC FUNCTIONS. FROM THE FILTER SPECIFICATIONS THE ORDER
CAN BE FOUND. THE POLE & ZERO FREQUENCIES AND Q'S ARE THEN FOUND. THE
RESPONSE MAY BE CALCULATED FOR EITHER A LINEAR OR LOG FREQ. SCALE.
THE PROGRAM IS RUN BY TYPING: FILDES

THE 3 OTHER PROGRAMS ARE CALLED FROM FILDES.

G. HARRISON
12/28/86


  3 Responses to “Category : Science and Education
Archive   : EEPUB06.ZIP
Filename : FILTER.DOC

  1. Very nice! Thank you for this wonderful archive. I wonder why I found it only now. Long live the BBS file archives!

  2. This is so awesome! 😀 I’d be cool if you could download an entire archive of this at once, though.

  3. But one thing that puzzles me is the “mtswslnkmcjklsdlsbdmMICROSOFT” string. There is an article about it here. It is definitely worth a read: http://www.os2museum.com/wp/mtswslnk/