Field-programmable analogue array design based on the wave active filter design method

In this paper, a new methodology for the design of field-programmable analogue arrays (FPAAs) is proposed based on the introduction of a new configurable analogue block (CAB), which is the key element for the design of FPAAs. This new CAB is based on the wave equivalents of passive, single-element two-ports. The proposed FPAA structures are versatile and very simple to design. In addition, due to the lack of the interconnection network common to other FPAA structures, the resulting structures employ a minimum number of switches in the signal path and exhibit high modularity.