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Comments on two methods of approximation of real Q in biquadratic filtersHIDALGO, H; PALOMERA, R.International journal of circuit theory and applications. 1983, Vol 11, Num 4, pp 415-420, issn 0098-9886Article

Parasitic-compensated single amplifier SC biquad equivalent to Fleischer-Laker SC biquadANANDA MOHAN, P. V; RAMACHANDRAN, V; SWAMY, M. N. S et al.IEEE transactions on circuits and systems. 1986, Vol 33, Num 4, pp 458-460, issn 0098-4094Article

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Zero forming capacitors optimization in SC biquadsFOTOPOULOS, S.International journal of electronics. 1986, Vol 60, Num 5, pp 565-570, issn 0020-7217Article

Stray-free switched- capacitor general biquad blocksSAID, A. E; ZAGHLOUL, M. E.IEE proceedings. Part G. Electronic circuits and systems. 1986, Vol 133, Num 3, pp 154-158, issn 0143-7089Article

STRAYS-INSENSITIVE SWITCHED CAPACITOR BIQUADS WITH REDUCED NUMBER OF CAPACITORSGILLINGHAM P.1981; ELECTRON. LETT.; ISSN 0013-5194; GBR; DA. 1981; VOL. 17; NO 4; PP. 171-173; BIBL. 3 REF.Article

Limit-cycle free complex biquad recursive digital filtersPRASAD, K. S; ESWARAN, C.IEEE transactions on circuits and systems. 1989, Vol 36, Num 2, pp 280-285, issn 0098-4094, 6 p.Article

An economical digitally programmable switched-capacitor biquadBHATTACHARYYA, B. B; RATHORE, T. S.IEEE journal of solid-state circuits. 1987, Vol 22, Num 4, pp 627-629, issn 0018-9200Article

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New OTA-capacitor realisation of a universal biquadNAWROCKI, R; KLEIN, U.Electronics Letters. 1986, Vol 22, Num 1, pp 50-51, issn 0013-5194Article

A multi-output wave digital biquad using magnitude truncation instead of controlled roundingHON KEUNG KWAN.IEEE transactions on circuits and systems. 1985, Vol 32, Num 11, pp 1185-1187, issn 0098-4094Article

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Current-mode versus voltage-mode G_m-C biquad filters : What the theory saysMAHATTANAKUL, J; TOUMAZOU, C.IEEE transactions on circuits and systems. 2, Analog and digital signal processing. 1998, Vol 45, Num 2, pp 173-186, issn 1057-7130Article

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Novel universal biquad filters using only three followersWENG, R.-M; LEE, M.-H.International journal of electronics. 1997, Vol 82, Num 6, pp 621-628, issn 0020-7217Article

A simple approach of deriving single-input-multiple-output current-mode biquad filtersSENANI, R.Frequenz. 1996, Vol 50, Num 5-6, pp 124-127, issn 0016-1136Article

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