Research Article
Optimally Matched 189-232 GHz 6.8 dBm Output Power CMOS Frequency Doubler
Table 1
Applied matching networks at different stages.
| | Match. net. | (deg) | (deg) | (fF) | (deg) | Efficiency (%) | (Ω) | (Ω) |
| | DA 1 | 37.0 | 11.9 | 190 | 50.1 | 47.9 | | 5.6-44.4i | | DA 2 | 37.0 | 11.9 | 190 | 50.1 | 47.9 | | 5.5-45.1i | | DA 3 | 44.9 | 11.9 | 45 | 27.0 | 51.3 | | 3.8-27.9i | | DA 4 | 30.3 | 11.9 | 238 | 18.1 | 64.6 | | 2.6-14.3i | | DA 5 | 23.1 | 11.9 | 330 | 10.7 | 64.6 | | 2.1-9.3i | | DA 6 | 62.4 | 41.4 | 330 | 47.3 | 46.8 | | 2.7-17.2 | | Output | 77.5 | 23.5 | 36 | 126.7 | 74.1 | | 50 |
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