A flexible synthesis procedure for nth-order current-mode low-pass filter using current controlled current differencing buffered amplifier (CC-CDBA) is given. The proposed method is based on drawing the signal-flow graph from the given transfer function and obtaining the circuit realization from the graph. The proposed configuration uses n+1 CC-CIDBAs and n capacitors. It is straightforward to find the values of the passive elements from the coefficients of the transfer function to be realized and the undamped natural frequency and quality factor can be adjusted electronically without changing the values of the passive components. The proposed structure uses the cascade connection of second and/or first order filter sections. Therefore it carries the general advantages of this type of structures. Further, any current ratio transfer function can be shown to be realized by adding a weighted summer without affecting the basic configuration. The simulation results for a fourth order band-pass elliptic filter are included for the verification of the theory.