A filter system with reduced switch thermal noise includes an input circuit for receiving an input signal and a feedback signal and providing a signal representative of the difference; a filter circuit including at least an input sampling capacitor and switch which introduce thermal noise error; a feedback...http://www.google.fr/patents/US6865230?utm_source=gb-gplus-shareBrevet US6865230 - Filter system with reduced switch thermal noise and a ΣΔ modulator using such a filter
Filter system with reduced switch thermal noise and a ΣΔ modulator using ...
