Accession Number : AD0735302

Title :   Self-Pumped Josephson Parametric Amplification.

Descriptive Note : Rept. for Jan-Jun 71,

Corporate Author : AEROSPACE CORP EL SEGUNDO CALIF LAB OPERATIONS

Personal Author(s) : Kanter,Helmut ; Silver,Arnold H.

Report Date : 15 NOV 1971

Pagination or Media Count : 18

Abstract : Parametric gain has been demonstrated at 30 MHz using the non-linear inductance of Josephson point contact devices. SQUID type configurations were used to achieve degenerate mode, negative resistance amplification with self-pumping achieved via the internal Josephson oscillations. Gain as large as 11 dB was measured. The small signal analysis predicts parametric amplification and delineates the importance of the critical current, circuit loss, and circuit coupling efficiency. (Author)

Descriptors :   (*PARAMETRIC AMPLIFIERS, *SUPERCONDUCTORS), INDUCTANCE, VERY HIGH FREQUENCY, NONLINEAR SYSTEMS

Subject Categories : Electrical and Electronic Equipment
      Solid State Physics

Distribution Statement : APPROVED FOR PUBLIC RELEASE