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Based on the Spartan 3E evaluation module, a flexible platform for the implementation of different algorithms for A/D conversion was developed. The aim of presented work was to improve the concept of the sampling rate adaptation to the input signal rate of change in terms of practical issues including synchronization of delta codecs. The new, original synchronization method, useful in systems dedicated...
Modulacja delta z adaptacją odstępu próbkowania jest obiecującą metodą 1-bitowej konwersji a/c, ze względu na swoje właściwości kompresyjne oraz uzyskiwaną jakość przetwarzania, szczególnie przy pracy z sygnałem niestacjonarnym o dużej dynamice. Celem artykułu jest porównanie parametrów (powierzchnia, pobór mocy, stopień komplikacji układów logiki sterującej) predyktora wykorzystującego wielobitowy...
A consideration for an analog antialiasing filter performance, addressed to a nonuniform sampling coding technique was described. The filer prototype design and its implementations are presented. The Sallen-Key architecture based on CMOS inverters and the solution of achieving resistor formed by transmission gates with long MOSFETs are presented. Finally the simulation results are discussed.
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