Hybrid marchand/back-wave balun and double balanced mixer using same
US7880557B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 12, 2009 |
| Grant date | Feb 1, 2011 |
| Priority date | — |
| Expiry date | May 25, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03D2200/0074
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A hybrid Marchand/back-wave balun includes a first pair of coupled sections having a first primary section and first secondary section; a second pair of coupled sections having a second primary section and second secondary section; a first reactance interconnecting the first and second primary sections and a second reactance interconnecting the first and second secondary sections; one of the reactances being open at high frequency and shorted at low frequency, the other reactance being shorted at high frequency and open at low frequency for selectively providing low frequency Marchand/high frequency back-wave function and high frequency Marchand/low frequency back-wave function; and a double balanced mixer using same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.