T.I. Kasatkina – Ph.D.(Phys.-Math.), Lecturer, Department of Bases of Radio Engineering and Electronics, Voronezh Institute of the Russian Federal Penitentiary Service

R.N. Andreyev – Ph.D.(Eng.), Head of Department of Bases of Radio Engineering and Electronics, Voronezh Institute of the Russian Federal Penitentiary Service

E-mail: am.iict.vrn@rambler.ru

A.B. Antilikatorov – Ph.D.(Eng.), Associate Professor, Department of Radio Equipment Engineering and Manufacturing, Voronezh State Technical University

E-mail: antilikatorov63@mail.ru

M.A. Romashchenko – Dr.Sc.(Eng.), Associate Professor, Department of Radio Equipment Engineering and Manufacturing, Voronezh State Technical University

In the article the UHF amplifier design on the basis of linear chains of high-temperature superconductor of S SQUIDs on a direct current, characterized by response high linearity from tension to electromagnetic signal magnetic component and by the increased strengthening coefficient, with a working frequencies 1−10 GGz range is developed and offered. To improve transformations linearity and working frequencies range it is offered to use the amplifiers containing considerable number of interconnected SQUIDs. To create basic element for an analog or digital signal strengthening it is considered to be used a consecutive chain of regularly located two-contact one-type SQUID s. The similar design can also be applied as magnetic field detector. The offered high-temperature superconductor amplifier can be used for signals strengthening in the gigahertz frequency range.

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