Wide band microwave analog phase shifter
US4638269A · kind A · utility
15Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 28, 1985 |
| Grant date | Jan 20, 1987 |
| Priority date | — |
| Expiry date | May 28, 2005 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01P1/185
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A reflective hybrid analog phase shifter is detailed which is operable in the X-band, and which exhibits minimal phase shift variation with higher power loadings. A pair of back-to-back connected Schottky varactor diodes are serially connected to each of the phase shifting ports of a 3 dB coupler. The Scottky varactor diodes are reverse biased to permit continuous variation of the phase shift as a function of analog bias potential. A monolithically fabricated implementation of this circuit design is detailed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.