Multiple magnetically tuned oscillator
US5200713A · kind A · utility
14Cited by
3References
51Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 18, 1992 |
| Grant date | Apr 6, 1993 |
| Priority date | — |
| Expiry date | May 18, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03B2201/035
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
YIG oscillator apparatus comprises both an FET-based YIG oscillator circuit and a bipolar transistor-based YIG oscillator circuit inside a single magnetic structure. Both YIG spheres are disposed in the single air gap of the magnetic structure, which is defined by a pole piece which is tapered to an elongated pole surface which is only slightly larger than necessary to cover both YIG spheres. A band reject filter is included inside the housing for rejecting second harmonics of desired oscillation frequencies only.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.