Switchable slow wave transmission line in 130 nm SiGe technology at 115 GHz for phase detection based biosensors

J. Wessel, K. Schmalz, C. Scheytt, C. Meliani, in: Microwave Symposium (IMS), 2014 IEEE MTT-S International, IEEE, Tampa, FL, USA, 2014, pp. 1–3.

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A 115 GHz slow wave transmission line intended for phase detection based integrated biosensors is presented. The structure was fabricated in a 130 nm SiGe process. It achieved the targeted overall phase shift of 1° at 115 GHz. Moreover, the phase can be adjusted by 16 switches using Heterojunction Bipolar (HBT) transistors leading to a phase resolution of 0.125°. The change in input and output matching over all configurations of the switches is not higher than 0.8 dB and the transmission S 21 varies with less than 0.7 dB. To the authors knowledge, it is the first switchable slow wave structure using microstrip transmission lines along with a bipolar switch circuitry. Moreover, the presented structure provides a very powerful solution for real-time digital read-outs in integrated biosensors, without need of additional signal processing steps.
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Microwave Symposium (IMS), 2014 IEEE MTT-S International
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Wessel J, Schmalz K, Scheytt C, Meliani C. Switchable slow wave transmission line in 130 nm SiGe technology at 115 GHz for phase detection based biosensors. In: Microwave Symposium (IMS), 2014 IEEE MTT-S International. IEEE; 2014:1-3. doi:10.1109/MWSYM.2014.6848446
Wessel, J., Schmalz, K., Scheytt, C., & Meliani, C. (2014). Switchable slow wave transmission line in 130 nm SiGe technology at 115 GHz for phase detection based biosensors. Microwave Symposium (IMS), 2014 IEEE MTT-S International, 1–3. https://doi.org/10.1109/MWSYM.2014.6848446
@inproceedings{Wessel_Schmalz_Scheytt_Meliani_2014, place={Tampa, FL, USA}, title={ Switchable slow wave transmission line in 130 nm SiGe technology at 115 GHz for phase detection based biosensors}, DOI={10.1109/MWSYM.2014.6848446}, booktitle={Microwave Symposium (IMS), 2014 IEEE MTT-S International}, publisher={IEEE}, author={Wessel, Jan and Schmalz, Klaus and Scheytt, Christoph and Meliani, Chafik}, year={2014}, pages={1–3} }
Wessel, Jan, Klaus Schmalz, Christoph Scheytt, and Chafik Meliani. “ Switchable Slow Wave Transmission Line in 130 Nm SiGe Technology at 115 GHz for Phase Detection Based Biosensors.” In Microwave Symposium (IMS), 2014 IEEE MTT-S International, 1–3. Tampa, FL, USA: IEEE, 2014. https://doi.org/10.1109/MWSYM.2014.6848446.
J. Wessel, K. Schmalz, C. Scheytt, and C. Meliani, “ Switchable slow wave transmission line in 130 nm SiGe technology at 115 GHz for phase detection based biosensors,” in Microwave Symposium (IMS), 2014 IEEE MTT-S International, 2014, pp. 1–3, doi: 10.1109/MWSYM.2014.6848446.
Wessel, Jan, et al. “ Switchable Slow Wave Transmission Line in 130 Nm SiGe Technology at 115 GHz for Phase Detection Based Biosensors.” Microwave Symposium (IMS), 2014 IEEE MTT-S International, IEEE, 2014, pp. 1–3, doi:10.1109/MWSYM.2014.6848446.

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