Superconducting bipolar digital-to-analog converter equipped with dual double-flux-quantum amplifier

Yoshinao Mizugaki; Tomoki Watanabe; Hiroshi Shimada

doi:10.1587/elex.13.20160242

この記事には本公開記事があります。本公開記事を参照してください。
引用する場合も本公開記事を引用してください。

Superconducting bipolar digital-to-analog converter equipped with dual double-flux-quantum amplifier

Yoshinao Mizugaki, Tomoki Watanabe, Hiroshi Shimada

著者情報

キーワード: Josephson effects, single-fluq-quantum (SFQ), niobium integrated circuits, pulse-frequency modulation

ジャーナルフリー早期公開

論文ID: 13.20160242

DOI https://doi.org/10.1587/elex.13.20160242

この記事には本公開記事があります。

The final version of this article is now available: Vol. 13 (2016), No. 10 pp. 20160242-20160242

詳細

抄録

Precise voltage generation is a unique feature of superconducting single-flux-quantum (SFQ) circuits, and hence, several SFQ-based digital-to-analog converters (DACs) have been designed for metrological applications. In this letter, we propose a dual double-flux-quantum amplifier (dual-DFQA) that extends DAC output voltage from unipolar to bipolar. An SFQ-based DAC comprising a 4-bit variable pulse number multiplier and a ±20-fold dual-DFQA is fabricated using a niobium integration technology. A 1-kHz, ±0.29-mV sinusoidal voltage waveform is successfully synthesized.

責任著者(Corresponding author)

J-STAGEへの登録はこちら（無料）