Impedance tapering effects on "Low-Q" SAB band-pass active-RC filter (CROSBI ID 472938)
Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Jurišić, Dražen ; Mijat, Neven
engleski
Impedance tapering effects on "Low-Q" SAB band-pass active-RC filter
The design procedure of low-sensitivity active resistance-capacitance (RC) allpole filters, using impedance tapering, has already been published. The low-sensitivity filter sections already described in publication are class 4 (TT-SABB) Sallen and Key sections. In this paper class 3 (SAB) sections for low pole-Q realization are considered. Impedance tapering is applied on L-sections, which are situated in negative-feedback of operational amplifier in open-loop mode. L- sections are impedance scaled upwards, from the driving source to the negative amplifier input. Second-order band-pass filter is considered. Pole-Q factors for low-Q building blocks take their values up to, say, 5. The sensitivity to component tolerances of the circuit is shown to be small for any type of impedance tapering regardless of the gain-sensitivity product (GSP) value.
Allpole filters; biquadratic active filters; class 3 active filters for low-Q realization; low-sensitivity active filters
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Podaci o prilogu
229-234.
2000.
objavljeno
Podaci o matičnoj publikaciji
Lončarić, Sven
Zagreb: Sveučilišni računski centar Sveučilišta u Zagrebu (Srce)
953-96769-2-4
Podaci o skupu
International Workshop on Image and Signal Processing and Analysis (1 ; 2000) & International Conference on Information Technology Interfaces ( 22 ; 2000)
predavanje
13.06.2000-16.06.2000
Pula, Hrvatska