Harmonic distortion and intermodulation products in the microstrip amplifier based on a superconducting quantum interference device

Journal Article · Sun Jun 03 20:00:00 EDT 2001 · Applied Physics Letters

DOI:https://doi.org/10.1063/1.1377043· OSTI ID:40277845

Mueck, Michael; Clarke, John

The harmonic distortion and intermodulation products have been measured for a microstrip amplifier based on a dc superconducting quantum interference device. When the flux bias is adjusted to maximize the gain, in general both second harmonic and a series of odd harmonics are observed. The magnitude of the third harmonic is in good agreement with a simple model. The magnitude of the second harmonic, however, depends critically on the flux bias and is generally a minimum when the gain is slightly less than the maximum value. Similar results are found for the two lowest order intermodulation products.

• Research Organization: Lawrence Berkeley National Laboratory
• Sponsoring Organization: (US)
• DOE Contract Number: AC03-76SF00098
• OSTI ID: 40277845
• Report Number(s): LBNL-47258
• Journal Information: Applied Physics Letters, Journal Name: Applied Physics Letters Journal Issue: 23 Vol. 78; ISSN 0003-6951
• Publisher: The American Physical Society
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
AMPLIFIERS
HARMONIC GENERATION
HARMONICS
MICROELECTRONICS
SQUID DEVICES