ECONOMICAL RC ACTIVE LOSSY LADDER FILTERSROLLETT JM.1973; ELECTRON. LETTERS; G.B.; DA. 1973; VOL. 9; NO 3; PP. 70-72; BIBL. 16 REF.Serial Issue

EXACT SYNTHESIS OF ACTIVE LOWPASS FREQUENCY-DEPENDENT NEGATIVE-RESISTANCE FILTERS. = SYNTHESE EXACTE DE FILTRES PASSE-BAS ACTIFS A RESISTANCE NEGATIVE DEPENDANT DE LA FREQUENCENIGHTINGALE C; ROLLETT JM.1974; ELECTRON. LETTERS; G.B.; DA. 1974; VOL. 10; NO 3; PP. 34-35; BIBL. 4 REF.Article

METHOD FOR DESIGNING DOUBLY TERMINATED ALL-POLE LADDER FILTERS WITH REACTIVE COMPONENTS HAVING FREELY ASSIGNABLE LOSSESNIGHTINGALE C; ROLLETT JM.1972; ELECTRON. LETTERS; G.B.; DA. 1972; VOL. 8; NO 18; PP. 461-463; BIBL. 3 REF.Serial Issue

DESIGN AND ECONOMICAL REALISATION OF A HYBRID RC-ACTIVE LOWPASS FILTER FOR PCMROLLETT JM; NIGHTINGALE C; GREAVES AJ et al.1981; IEE PROC., G; ISSN 0143-7089; GBR; DA. 1981; VOL. 128; NO 4; PP. 201-204; BIBL. 14 REF.Article