Reply: Noise-cancelling switched-capacitor (SC) filtering technique
Electronics Letters（1984）
摘要
A method of reducing the 1/f noise in SC filters is shown using an initialising technique. This technique also removes the input offset of the operational amplifier, and thus gives an offset-free SC building block. Experimental results for a first-order lowpass filter illustrating the above are presented.
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关键词
bipolar integrated circuits,digital communication systems,integrated logic circuits,multiplexing equipment,time division multiplexing
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