Number | Name | Date | Kind |
---|---|---|---|
2115138 | Darlington | Apr 1938 | |
3581209 | Zimmerman et al. | May 1971 | |
3710260 | Wright | Jan 1973 | |
3806813 | Eller | Apr 1974 | |
4367445 | Dydyk | Jan 1983 | |
4556856 | Presser | Dec 1985 |
Number | Date | Country |
---|---|---|
128245 | Oct 1979 | JPX |
Entry |
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Cohn, A Class of Broadband Three-Port TEM-Mode Hybrids, IEEE Trans. on MTT, Feb. 1968, pp. 110-116. |
Head, Synthesize Lumped Element In-Phase Power Dividers, Microwave Journal, May 1980, pp. 111, 112. |