New current-mode all-pass configuration using CCCIIs

In this paper a new configuration for the realization of first-order current-mode all-pass filters with high output impedance is presented. It can realize first-order allpass filtering function using two current controlled conveyors (CCCIIs) connected to four RC one-port elements. Eight different realizations for the proposed configuration are given in tabular form, which exhibit identical transfer functions but differ in the number of passive components, component matching constraints, possibility of electronic gain adjustment and other properties. PSPICE simulation results are given to confirm the theoretical analysis.