Abstract
The authors present a new digital filter structure which shows a low-sensitivity property. It is a cascade structure consisting of Type 1 and Type 2 LBR two-pairs interlacing each other, and is called a two-type-interlaced (TTI) structure. In addition, a test procedure called an LBR test is introduced as a means to determine the LBR-ness of the quantized TTI structure by checking the LBR-ness of the residual Type 1 two-pair in the associated Type 3 re-assembled structure. Computer simulation confirms that this new structure exhibits a much improved sensitivity characteristic over the other existing structures.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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