Patent ID: 7451174
Filing Date: 2008-11-11
Classification: H03M

Abstract:
1. A circuit that, given a value y and a set of M>2 values s i with i=0 . . . M−1, calculates M values for given constants h and σ, where “∝” denotes equality up to a scale factor that does not depend on i, said circuit comprising at least one set of M transistors T a current source associated with said set of M transistors, wherein the first current terminals of said transistors are connected to said current source, a multiplier/adder associated with said set of M transistors and having an input for said value y and M outputs O wherein c and c′ are arbitrary constants, and wherein said multiplier/adder and said transistors are connected to apply said voltages U 0 . . . U M−1 to said control terminals of said transistors.