Ultra high-frequency circuit with resonant cavity equipped with pairs of peripheral diodes
US4249149A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 30, 1979 |
| Grant date | Feb 3, 1981 |
| Priority date | — |
| Expiry date | Apr 30, 1999 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F3/55
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A circuit capable of providing the negative resistance heart of oscillators or amplifiers in the 5-20 Gc/s frequency band, comprising a central resonant cavity and one or several peripheral exciting chambers, each containing a push-pull arrangement of two diodes for example three pairs of diodes in chambers arranged at 120.degree. from one another on a circle concentric to the central cavity. The diodes are located at the bottoms of cylindrical exciting chambers communicating with the central chamber through holes situated at the center of each push-pull arrangement. Each pair of diodes is maintained and polarized by a metallic bar which plays, with the walls of the exciting chamber, the role of an impedance transformer between the diodes and the central cavity. The metallic bar is maintained by a polarization rod penetrating the chamber through an insulating passage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.