MULTILOOP INTEGRATED DC SQUID LOW-NOISE RF AMPLIFIER

被引：0
|
作者：
TARASOV, M
PROKOPENKO, G
BELITSKY, V
FILIPPENKO, L
机构：
[1] Institute of Radio Engineering, Electronics Russia Academy of Sciences, Moscow, 103907, Mochovaya str.
来源：
CRYOGENICS | 1992年 / 32卷
关键词：
D O I：
10.1016/0011-2275(92)90216-W
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A new type of multiloop dc SQUID in the form of a second order gradiometer with integrated input coil and extremely low stray capacitances was designed to improve SQUID amplifier parameters. For decreasing the loop inductance four partial loops were connected in parallel. Single input turns placed inside each loop were connected in series to increase the input coil inductance for better impedance matching. The amplifier noise temperature lower than 0.5 K and power gain nearly 20 dB were measured at 430 MHz for 60 MHz bandwidth in the case of tuned amplifier.
引用
收藏
页码：505 / 508
页数：4
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