Electronics Letters · 1990 · 19 citations · 4 references
EngineeringElectrical EngineeringAnalog ElectronicsCircuit TheoryMicroelectronicsAnalog FiltersAnalog Integrated CircuitsCmos Circuit DesignDigital Integrated CircuitsIntegrated Circuit DesignIntegrated Circuit DevicesCmos Analog Integrated CircuitsCurrent-mode FiltersDevice Mismatch AnalysisSwitched-capacitor CircuitsSwitched-capacitor Filters
A switched-current integrator configuration with greatly improved insensitivity to transistor mismatch is described. A universal integrator configuration is developed which performs an algorithm identical to the well known switched-capacitor universal integrator. This permits signal flowgraph synthesis of switched-current filters with similar properties to those of their switched-capacitor counterparts.
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