First-order, switched-capacitor, low-pass filter implemented with GaAs insulated-gate FET switches |
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| Authors: | Luck J Swanson JG |
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| Affiliation: | Dept. of Electron. & Electr. Eng., King's Coll. London, UK; |
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| Abstract: | The application of the GaAs insulated-gate FET in switched-capacitor circuits is demonstrated. This is achieved by constructing a first-order, switched-capacitor, low-pass filter from monolithic GaAs IGFET switches and discrete capacitors. Hysteresis in the FET characteristic is shown to be unimportant. FET switching is shown to be independent of the absolute level of the switching signal.<> |
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