DocumentCode
1190567
Title
Exact synthesis of LDI and LDD ladder filters
Author
Liu, E. S K ; Turner, L.E. ; Bruton, L.T.
Volume
31
Issue
4
fYear
1984
fDate
4/1/1984 12:00:00 AM
Firstpage
369
Lastpage
381
Abstract
The low sensitivity property of lossless discrete integrator (LDI) low-pass ladder filters is shown to be preserved in lossless discrete differentiator (LDD) high-pass ladder filters [1]. The exact design method for LDI ladder filters given in [2] is further developed by introducing a set of closed-form design formulas for digital all-pole Chebyshev transfer functions. A new technique for improving the numerical accuracy in the synthesis procedure is introduced. Finally, a comprehensive LDI ladder filter design program is presented.
Keywords
Digital filters; Ladder filters; Low-pass filters; Chebyshev approximation; Delay; Design methodology; Digital filters; Equations; Flow graphs; Frequency response; Low pass filters; Polynomials; Transfer functions;
fLanguage
English
Journal_Title
Circuits and Systems, IEEE Transactions on
Publisher
ieee
ISSN
0098-4094
Type
jour
DOI
10.1109/TCS.1984.1085513
Filename
1085513
Link To Document