On multi-port active RC synthesis of a current gain matrix with grounded ports. Reprint

Based on a state-variable approach and the reactance extraction principle, a simple and systematic synthesis procedure is presented, whereby any q x p matrix G(s), of real rational function of complex frequency variable s, can be realized as the current-gain matrix of a multiport active-RC network. The realized network requires a minimum number of n grounded capacitors with unity-capacitance spread, n equal to the degree of G(s) and at the most (p+2n) inverting grounded voltage amplifiers. All the capacitors and ports will have a common ground terminal.