Influence of the Feedback Filter on the Response of the Pulsed Digital Oscillator

Details Influence of the Feedback Filter on the Response of the Pulsed Digital Oscillator Influence of the Feedback Filter on the Response of the Pulsed Digital Oscillator

2007-11-21

arxiv.org/abs/0711.3279v1

Dans Symposium on Design, Test, Integration and Packaging of MEMS/MOEMS - DTIP 2006, Stresa, Lago Maggiore : Italie (2006)

Computer Science

Other Computer Science

Submitted on behalf of TIMA Editions (http://irevues.inist.fr/tima-editions)

Scientific paper

This paper introduces a new feedback topology for the Pulsed Digital Oscillator (PDO) and compares it to the classical topology. The `classic' or single feedback topology, introduced in previous works, shows a strong behavior dependence on the damping losses in the MEMS resonator. A new double feedback topology is introduced here in order to help solving this problem. Comparative discrete-time simulations and preliminary experimental measurements have been carried out for both topologies, showing how the new double feedback topology may increase PDO performance for some frequency ranges.

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