| 摘要 |
A coplanar waveguide coupler comprising traces (28, 29) and waveguides (22-24, 26), all formed on one layer of multi-layer printed wiring board (10) with the interconnects (37-39, 41) between said traces (28, 29) and waveguides (22-24, 26) being carried on a second layer of said board (10). A third layer may have a ground plane (42).
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