Properties of Step-Edge Microbridge Josephson Junction Mixer Fabricated by YBaCuO Thin Film
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概要
- 論文の詳細を見る
The conversion efficiency and minimum detection power of a step-edge microbridge Josephson junction mixer (SEJJ mixer) were evaluated for both fundamental mixing and harmonic mixing. The SEJJ was fabricated by a YBaCuO thin film and all of the circuits inside the mixer were made from microstrip line circuits in order to reduce the microwave propagation losses. The conversion efficiencies (η) were -31 dB, -46 dB and -53 dB for fundamental mixing, second harmonic mixing and third harmonic mixing, respectively. The dependence of η on the harmonic number (N) was expressed as η∝N^<-4.6> for N≦3. The minimum detection power (MDP) of -60 dam (1.0 nW) was obtained in fundamental mixing, with a linear dynamic range of more than 40 dB.
- 社団法人応用物理学会の論文
- 1992-09-01
著者
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KAJIKAWA Hiroshi
National Institute of Livestock and Grassland Science
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Ogawa R
Kobe Steel Ltd Kobe‐shi
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Kawate Yoshio
Superconducting & Cryogenic Technology Center Kobe Steel Ltd.
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Kawate Y
Kobe Steel Ltd Kobe‐shi
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OGAWA Rikuo
Superconducting & Cryogenic Technology Center, KOBE STEEL, LTD.
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FUKUMOTO Yoshito
Superconducting & Cryogenic Technology Center, Kobe Steel, Ltd.
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KAJIKAWA Hiroshi
Superconducting & Cryogenic Technology Center, Kobe Steel, Ltd.
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Kajikawa H
National Institute Of Livestock And Grassland Science
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Fukumoto Y
Nec Corp. Kanagawa Jpn
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