Passive impedance matching device
US5097234A · kind A · utility
6Cited by
2References
2Claims
0Family size
Inventor
Key dates
| Filing date | Sep 13, 1990 |
| Grant date | Mar 17, 1992 |
| Priority date | — |
| Expiry date | Sep 13, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H7/38
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A passive impedance matching device incorporates a pair of power splitters, each having a transformer core with a center tapped winding shunted by a resistance having a predetermined value. The power splitter windings have their center taps connected to the input terminals. The arrangement creates a virtual ground and thus avoids the need to create an unbalanced signal. By cascading stages the input signal can be split any number of times. Unused outputs are terminated with their characteristic impedance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.