Single Flux Quantum Multistage Decimation Filters(Special Issue on Superconductor Digital/Analog Circuit Technologies)

概要

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We investigated single flux quantum sinc filters with multistage decimation structure in order to realize highspeed sinc filter operation. Second- and third-order (k=2,3) sinc filters with a decimation factor N=2 were designed and confirmed their proper operations. These sinc filters with N=2 are utilized as elementary circuit blocks of our multistage decimation sinc filters with N=2^M, where M indicates the number of the stage of the decimation. As an example of the multistage decimation filter, we designed a k=2, N=4 sinc filter which was formed from a two-stage decimation structure using k=2, N=2 sinc filters, and confirmed its proper operation. The k=2, N=4 sinc filter consisted of 1372 Josephson junctions with the power consumption of 191μW.
社団法人電子情報通信学会の論文
2003-01-01