In the paper, a new circuit element, termed a current limiter, is introduced. A technique based on the use of the current limiter is then proposed for the realisation of nonlinear resistances. Floating and earthed nonlinear resistances, working in both a voltage-controlled mode and a current-controlled mode, can be implemented in such a realisation scheme. The design principle is suitable for implementation in monolithic integrated form. Experimental results showing the accuracy and linearity of the circuits are also presented.