Antonio Torralba

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A CAD tool for analog circuit synthesis is presented. This tool, called FASY, uses fuzzy–logic based reasoning to select one topology among a fixed set of alternatives. For the selected topology, a two–phase optimizer sizes all elements to satisfy the performance constrains minimizing a cost function. In FASY, the decision rules used in the topology(More)
A new class AB differential stage that operates with a single supply voltage of less than two transistor threshold voltages is introduced. This circuit has utilization in high slew rate one stage op-amps, two stage op-amps with class AB input and output stages and linear transconductors. The circuit was verified with simulations and experimentally. It it is(More)