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| Titel: |
Design of Dual Bandpass and Bandreject LC Ladder Filters |
| Auteur: |
J. Bicak J. Hospodka |
| Verschenen in: |
Radioengineering |
| Paginering: | Jaargang 15 (2006) nr. 3 pagina's 26-30 |
| Jaar: |
2006 |
| Inhoud: |
This paper deals with the design of two-passband bandpass and two-stopband bandreject LC ladder filters. The design method is based on the special dual frequency transformation that transforms normalized lowpass to either bandpass with two passbands or to bandreject with two stopbands that are specified by four cutoff frequencies. The paper shows analytical solution relating these four cutoff frequencies to parameters of dual frequency transformation. It enables a direct computation of dual band LC filter elements from a normalized lowpass filter by means of simple relations. These relations have been implemented in the mathematical program Maple (TM) as new user functions. They are supposed to be used as an enhancement of Syntfil package which is intended for analog filter design in program Maple. Specific application is shown on an example of the two-passband bandpass LC filter design. |
| Uitgever: |
Spolecnost pro radioelektronicke inzenyrstvi (provided by DOAJ) |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 4 van 10 gevonden artikelen
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