Abstract
A method for the generation of stable, widely tunable heterodyne oscillations by means of a high-temperature-superconducting resistive superconducting quantum interference device is described. The details of the fabrication techniques, electrical characteristics, operating temperatures and frequency range of 100 MHz-2 GHz, are reported. The noise temperatures of several devices, made and tested in different laboratories, are estimated and the linewidths of the heterodyne oscillations are compared with theoretical values.
| Original language | English |
|---|---|
| Journal | Applied Physics Letters |
| Volume | 93 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 21 Jul 2008 |
Keywords
- noise temperature
- linewidth
- heterodyne gigahertz oscillators
- high-temperature superconductors
- josephson effect
- noise
- oscillators
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