Number | Name | Date | Kind |
---|---|---|---|
3230396 | Boelke | Jan 1966 | |
3334293 | Schultz | Aug 1967 | |
3717784 | Heise | Jan 1973 | |
4176332 | Bachert | Nov 1979 | |
4206421 | Bernhard et al. | Jun 1980 |
Entry |
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Nguyen, "A 35% Bandwidth Q-to-W-Band Frequency Doubler", Microwave Journal, Sep. 1987, pp. 232-235. |
Faber et al., "A Frequency Doubler with 35% Efficiency at W Band", Microwave Journal, Jul. 1985, pp. 145-152. |