Naslov
Realization of BP Active Filters using UMLF Structure with Impedance-Tapered Biquads

Autori
Jurišić, Dražen ; Mijat, Neven ; Mihalić, Ivica

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Proceedings of The 4th International Symposium on Image and Signal Processing and Analysis / Lončarić, Sven ; Babić, Hrvoje ; Bellanger, Maurice - Zagreb : IEEE, EURASIP, 2005, 451-456

Skup
The 4th International Symposium on Image and Signal Processing and Analysis

Mjesto i datum
Zagreb, Hrvatska, 15.09.2005. - 17.09.2005

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
low-sensitivity BP active-RC filters; uniform modified leap-frog structure; impedance tapering

Sažetak
This paper presents the low-sensitivity realization of band-pass (BP) active resistance-capacitance (RC) filters using "uniform modified leap-frog" (UMLF) structure. Sensitivities with respect to filter passive components are investigated. It is shown how the optimization can be performed in order to achieve minimal sensitivities with relatively small values of Q-factors. Multiple-feedback-structured filters have low sensitivities to passive component tolerances, and additional sensitivity reduction of 2nd-order building biquads is achieved by the "impedance tapering" design. As an example, the sensitivity analysis, using Shoeffler sensitivity measure, was performed on a Chebyshev 8th-order BP filter. The filters were realized using UMLF and leap-frog (LF) structures, where sensitivity-optimized single-amplifier (SAB) and Sallen and Key (SAK) biquads realize the 2nd-order biquads.

Izvorni jezik
Engleski

Znanstvena područja
Elektrotehnika

POVEZANOST RADA