. . . "2" . "Dost\u00E1l, Tom\u00E1\u0161" . . . "Przeglad Elektrotechniczny" . "87" . "5"^^ . . . . "4"^^ . . "\u0160ev\u010D\u00EDk, B\u0159etislav" . "4"^^ . "26220" . . "An useful modification of well known signal flow graph technique for the circuit synthesis is described in this paper in order to obtain the filters working in the current mode, with maximally variable parameters, namely characteristic frequency, quality factor, bandwidth and basic gain. Procedure is based on reciprocal conversion of the branch variables (V I and I V) with the adjustable conversion constants. The obtained structures are discussed in detail and then is described an example of current-mode multifunctional RC active biquadratic filter, what is today very popular analogue application. Theoretic assumptions are supported by experimental results using modern functional blocks CC II(-)."@en . . . . . . "Multifunctional Adjustable Biquadratic Active RC Filters: Design Approach by Modification of Corresponding Signal Flow Graphs"@en . "RIV/00216305:26220/11:PU90379!RIV11-GA0-26220___" . "PL - Polsk\u00E1 republika" . . "\u0160otner, Roman" . "P(GA102/09/1681), P(GD102/08/H027), P(OC09016), Z(MSM0021630513)" . . . "[8771BD5CD7B5]" . . "Multifunctional Adjustable Biquadratic Active RC Filters: Design Approach by Modification of Corresponding Signal Flow Graphs" . "Bran\u010D\u00EDk, Lubom\u00EDr" . "0033-2097" . "Multifunctional Adjustable Biquadratic Active RC Filters: Design Approach by Modification of Corresponding Signal Flow Graphs"@en . "Signal flown graphs, current-mode circuits, ARC filters, electronic adjusting, current conveyors"@en . "214224" . . "Multifunctional Adjustable Biquadratic Active RC Filters: Design Approach by Modification of Corresponding Signal Flow Graphs" . . "An useful modification of well known signal flow graph technique for the circuit synthesis is described in this paper in order to obtain the filters working in the current mode, with maximally variable parameters, namely characteristic frequency, quality factor, bandwidth and basic gain. Procedure is based on reciprocal conversion of the branch variables (V I and I V) with the adjustable conversion constants. The obtained structures are discussed in detail and then is described an example of current-mode multifunctional RC active biquadratic filter, what is today very popular analogue application. Theoretic assumptions are supported by experimental results using modern functional blocks CC II(-)." . "RIV/00216305:26220/11:PU90379" . . . . .