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Amplifier with resonance transformer for measurements of IV-curve features of bicrystalline josephson junctions in high-Tc superconductors

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Gundareva I.I.


The amplifier with resonance transformer for measurements of IV- curve features of bicrystalline Josephson junctions in high-Tc superconductors with following properties was developed: operation frequency is 425 kHz, input impedance is 3 kOm, gain is 1050, bandwidth is 18 kHz. One can use the amplifier in impedance spectroscopy and for detection of impulsive signals in subterahertz and terahertz range.
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