B. Sc. To­bi­as Wel­ling

P. Stadler, J. Romstadt, M. A. Yildirim , T. Welling, K. Aufinger, and N. Pohl, “An E-Band Quadrupler Utilizing a 45°Polyphase Filter for Improved Harmonic Rejection,” in 2025 IEEE Radio and Wireless Symposium (RWS), San Juan, Mar. 2025, doi: 10.1109/rws62086.2025.10905006.

J. Bott et al., “An 8 × 8 MIMO Radar System Utilizing Cascadable Transceiver MMICs With On-Chip Antennas at 240 GHz,” IEEE Transactions on Radar Systems , vol. 2, pp. 805–820, 2024, doi: 10.1109/trs.2024.3453708.

J. Romstadt et al., “A 117.5–155-GHz SiGe $imes$12 frequency multiplier chain with push-push doublers and a Gilbert cell-based tripler,” IEEE journal of solid state circuits / Institute of Electrical and Electronics Engineers, vol. 2023, Jun. 2023, doi: 10.1109/jssc.2023.3284600.

T. Welling, J. Romstadt, F. Vogelsang, K. Aufinger, and N. Pohl, “A 365-410 GHz push-push frequency doubler with driving stage in SiGe BiCMOS,” in 2023 18th European Microwave Integrated Circuits Conference (EuMIC), Berlin, Oct. 2023, doi: 10.23919/eumic58042.2023.10288719.

J. Romstadt, T. Welling, F. Vogelsang, M. A. Yildirim , K. Aufinger, and N. Pohl, “A 377–416 GHz push-push frequency doubler with driving stage and transformer-based mode separation in SiGe BiCMOS,” in 2023 IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium (BCICTS 2023), Monterey, Calif., Nov. 2023, pp. 233–236, doi: 10.1109/bcicts54660.2023.10311042.

J. Wagner, T. Welling, N. Pohl, I. Rolfes, and J. Barowski, “Array design for automotive mimo radar sensors in d-band,” in 2023 Sixth International Workshop on Mobile Terahertz Systems (IWMTS), Bonn, Aug. 2023, doi: 10.1109/iwmts58186.2023.10207781.

P. Stadler, H. Papurcu, T. Welling, S. Tejero Alfageme, and N. Pohl, “An overview of state-of-the-art D-band radar system components,” Chips [ISSN: 2674-0729], vol. 1, no. 3, p. 121149, Sep. 2022, doi: 10.3390/chips1030009.