Homer, the ancient Greek poet (8th or 7th century BC) was the reator of the Iliad, an epic poem of dactylic hexameters that tells s the history of the Trojan, and also – as a kind of sequel – the dyssey that tells us about the hero Odysseus’ journey home after he fall of Troy in dactylic hexameters. Homer Richards Warner (1922–2012), the US-American cardilogist was the creator of ILIAD and ODYS...

This paper introduces an approach to increase the maximal sample frequency of lattice wave digital filters based on circulators and Richards’ structures. In this approach the allpass branches of the filters make use of cascaded first-order and constrained third-order Richards’ allpass sections. Compared with the case in which regular firstand second-order Richards’ allpass sections are used, th...