An SIS mixer for 90 120 GHz with gain and wide bandwidth
Abstract
An SIS mixer for the 3 mm wavelength band has been developed. It has sufficient RF bandwidth to allow double-sideband operation at an IE of 1.4 GHz. Available gain of around 3 dB has been measured, along with mixer temperatures of 20 to 40K (both double sideband). The junctions were fabricated using a lead-alloy technology (Pb-In-Au/oxide/-Pb-Bi). Coupling and tuning structures were integrated onto a quartz substrate along with the junctions. The measurements were made at physical temperatures around 3.1K, achieved with a closed-cycle refrigerator.
- Publication:
-
International Journal of Infrared and Millimeter Waves
- Pub Date:
- November 1984
- DOI:
- 10.1007/BF01009702
- Bibcode:
- 1984IJIMW...5.1419D
- Keywords:
-
- Josephson Junctions;
- Mixing Circuits;
- Sis (Superconductors);
- Superconductors;
- Block Diagrams;
- Design Analysis;
- Fabrication;
- Millimeter Waves;
- Radio Astronomy;
- Electronics and Electrical Engineering;
- superconductors;
- mixers;
- millimeter waves;
- SIS junctions