Abstract
RF MEMS tuners with wide impedance coverage have been developed for 6–24 GHz noise parameter and load‐pull measurement systems. The tuners are based on triple‐, double‐, and single‐stub topologies loaded with switched MEMS capacitors.
Several designs are presented, and they use 10–13 switched MEMS capacitors to produce 1024–8192 (210–213) different impedances. The measured impedance coverage agrees well with simulations and it is the widest ever measured impedance coverage from any planar tuner to‐date.
Several designs are presented, and they use 10–13 switched MEMS capacitors to produce 1024–8192 (210–213) different impedances. The measured impedance coverage agrees well with simulations and it is the widest ever measured impedance coverage from any planar tuner to‐date.
| Original language | English |
|---|---|
| Pages (from-to) | 265-278 |
| Journal | International Journal of RF and Microwave Computer-Aided Engineering |
| Volume | 17 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 2007 |
| MoE publication type | A1 Journal article-refereed |
Keywords
- RF-MEMS
- MEMS
- impedance tuner
- noise parameters
- load-pull
- matching network
- antenna tuner
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Cite this
Vähä-Heikkilä, T., Van Caekenberghe, K., Varis, J., Tuovinen, J., & Rebeiz, G. M. (2007). RF MEMS impedance tuners for 6-24 GHz applications. International Journal of RF and Microwave Computer-Aided Engineering, 17(3), 265-278. https://doi.org/10.1002/mmce.20220