Ultra low noise signed digit arithmetic using cellular neural networks

Ibrahim, Y.; Jullien, G.A.; Miller, W.C.

doi:10.1109/iwsoc.2004.1319866

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System and Cross Talk Noise1

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“…In digital logic, by contrast, the output of logic gates switches rapidly from rail to rail. The idea of using analog circuitry for reducing system and cross talk noise is not new, and there have been other attempts to implement digital arithmetic with analog circuity 16,17 .…”

Section: System and Cross Talk Noisementioning

confidence: 99%

16-bit radix-4 continuous valued digit adder

2006

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The Continuous Valued Number System (CVNS) is a novel analog digit number system which employs bit level analog residue arithmetic. The information redundancy among the digits, makes it easy to perform the required binary operations in higher radices, and reduces the implementation area and the number of required interconnections. CVNS theory can open up a new approach for performing digital arithmetic with simple and elementary analog elements, such as current comparators and current mirrors, and with arbitrary precision. In this paper we discuss the design of 16-bit radix-4 CVNS adder with controlled precision, and a two operand binary adder designed, in TSMC CMOS 0.18µm technology, is used to illustrate the techniques.

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Section: System and Cross Talk Noisementioning

confidence: 99%