Anti crow bar current interrupter for microwave tube transmitters
US5162965A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 28, 1991 |
| Grant date | Nov 10, 1992 |
| Priority date | — |
| Expiry date | Jun 28, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K17/691
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A high-speed high-voltage FET current interrupter which opens the cathode circuit of microwave tubes when internal tube arcing occurs. By removing the detrimental fault current which causes degradation to the microwave tube body and grid, the longevity of the microwave tube and the pulse energy storage capacitor is greatly increased over those transmitters which use dissipative crow bar circuits. Even more important is that the transmitter reset time after an arc occurs is orders of magnitude faster than transmitters using crow bars or primary power interrupters when arcing occurs--an important feature when engaged in a "dog fight".
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.