Abstract
In this article, the design of configurable analogue blocks for field programmable analogue arrays is presented. The configurable blocks are capable of performing integration, differentiation, amplification, log, anti-log, add and negate functions. The realisation of these functions depends on differential continuous-time current-mode translinear loop techniques. To maintain high frequency operation, the programmability and configurability of the blocks are achieved by modifying the block's biasing conditions digitally. Simulation results for the presented circuits are included.
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