Dr.-Ing. To­bi­as T. Braun

T. T. Braun, J. Romstadt, S. Hansen, C. Schweer, and N. Pohl, “Two Differential Wideband SIW-to-RWG Transitions for Thin Single Layer Substrates With Additional Tapering for D-Band Applications,” in 2025 IEEE Radio and Wireless Symposium (RWS), San Juan, Mar. 2025, doi: 10.1109/rws62086.2025.10904833.

L. Cordes, T. T. Braun, H. Papurcu, and N. Pohl, “An Ultra-Compact Differential D-Band Power Detector in a 90-nm BiCMOS Technology,” in 2025 16th German Microwave Conference (GeMiC), Dresden, May 2025, doi: 10.23919/gemic64734.2025.10979130.

T. T. Braun, J. Schöpfel, A. J. Marquez Maldera, and N. Pohl, “Overcoming the relative bandwidth limitations of single VCO frequency synthesizers by implementing a novel PLL architecture,” International Journal of Microwave and Wireless Technologies, vol. 2024, Feb. 2024, doi: 10.1017/s1759078723001484.

P. Stadler et al., “In-Package Characterization of Dielectrics Using Ring Resonators and Adaptive 3D EM-Simulations Around 77 GHz,” in 2024 15th German Microwave Conference, Duisburg, Apr. 2024, pp. 272–275, doi: 10.23919/gemic59120.2024.10485307.

T. T. Braun, J. Schöpfel, C. Bredendiek, J. J. Forero, and N. Pohl, “Introducing Inharmonic Radar: Tag Detection in the Automotive Bands of Present and Future at 76–81/134–141 GHz via Fractional Multiplication,” IEEE Journal of Microwaves, vol. 4, no. 3, pp. 473–485, Jul. 2024, doi: 10.1109/jmw.2024.3412415.

T. T. Braun, J. Schöpfel, C. Bredendiek, and N. Pohl, “Connecting the Automotive Bands of Present and Future With a Tag for Inharmonic Radar at 76–81/134–141 GHz,” IEEE Microwave and Wireless Technology Letters, vol. 34, no. 4, pp. 451–454, Feb. 2024, doi: 10.1109/lmwt.2024.3362385.

M. Kadler et al., “A Collection of German Science Interests in the Next Generation Very Large Array: version 2,” Jun. 18, 2024. .

L. Sigg et al., “Over-the-Air Synchronization for Coherent Digital Automotive Radar Networks,” IEEE Transactions on Radar Systems , vol. 2, pp. 739–751, Aug. 2024, doi: 10.1109/trs.2024.3449333.

J. Romstadt et al., “Proving the Feasibility of D-Band Single SiGe MMIC Vector Network Analyzer Extension Modules with Large System Dynamic Range,” IEEE Journal of Microwaves, vol. 4, no. 4, pp. 706–720, Sep. 2024, doi: 10.1109/jmw.2024.3444040.

J. Schöpfel, T. T. Braun, J. Hellwig, H. Rücker, and N. Pohl, “A 79 GHz SiGe Doherty Power Amplifier Suitable for Next-Generation Automotive Radar,” IEEE Journal of Microwaves, vol. 4, no. 4, pp. 721–732, Jul. 2024, doi: 10.1109/jmw.2024.3419430.

J. Schöpfel, T. T. Braun, and N. Pohl, “Proposing a Subharmonic Downconverting IQ-Mixer for mm-Wave 6G and Other D-Band Applications,” in 2024 19th European Microwave Integrated Circuits Conference (EuMIC), Paris, Oct. 2024, doi: 10.23919/eumic61603.2024.10732460.

T. T. Braun, J. Schöpfel, K. Aufinger, and N. Pohl, “Optimum Biasing of SiGe-HBTs to Maximize the Gain Per Current for Power Efficient Amplification,” in 2024 19th European Microwave Integrated Circuits Conference (EuMIC), Paris, Oct. 2024, doi: 10.23919/eumic61603.2024.10732512.

T. T. Braun et al., “A phase-locked loop with a jitter of 50 fs for astronomy applications,” International Journal of Microwave and Wireless Technologies, vol. 15, no. 6, pp. 1012–1020, Jan. 2023, doi: 10.1017/s1759078722001386.

G. vom Boegel et al., “6GEM Perspective on Joint Communication and Sensing,” in WSA & SCC 2023, Braunschweig, Apr. 2023, vol. 308 [Online]. Available: https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10104581

T. T. Braun, J. Schöpfel, and N. Pohl, “Detecting vulnerable road users utilizing the harmonic RCS of active tags at 79/158 GHz,” in 2023 IEEE Radar Conference (RadarConf23), San Antonio, Jun. 2023, doi: 10.1109/radarconf2351548.2023.10149776.

J. Romstadt et al., “A D-band vector network analyzer extension module based on a SiGe reflectometer MMIC,” in 2023 IEEE/MTT-S International Microwave Symposium (IMS 2023), San Diego, Jul. 2023, pp. 927–930, doi: 10.1109/ims37964.2023.10188062.

T. T. Braun, M. van Delden, C. Bredendiek, J. Schöpfel, and N. Pohl, “A low phase noise phase-locked loop with short settling times for automotive radar,” in 2021 16th European Microwave Integrated Circuits Conference (EuMIC), London, Jun. 2022, pp. 205–208, doi: 10.23919/eumic50153.2022.9783662.

T. T. Braun, J. Schöpfel, C. Schweer, and N. Pohl, “A harmonic automotive radar for bicycle detection with RFID Tags at 79/158 GHz,” in 2022 IEEE/MTT-S International Microwave Symposium (IMS 2022), Aug. 2022, doi: 10.1109/ims37962.2022.9865601.

T. T. Braun, J. Schöpfel, A. J. Marquez M, and N. Pohl, “Achieving a relative bandwidth of 176% with a single PLL at up to 12.5 GHz,” in 2022 52nd European Microwave Conference (EuMC), Mailand, Nov. 2022, doi: 10.23919/eumc54642.2022.9924377.

J. Schöpfel, T. T. Braun, S. Kueppers, K. Aufinger, and N. Pohl, “A fully differential hybrid coupler for automotive radar applications,” in 2022 17th European Microwave Integrated Circuits Conference (EuMIC), Mailand, Nov. 2022, pp. 107–110, doi: 10.23919/eumic54520.2022.9923546.

T. T. Braun, J. Schöpfel, P. Kwiatkowski, C. Schweer, K. Aufinger, and N. Pohl, “Expanding the capabilities of automotive radar for bicycle detection with harmonic RFID tags at 79/158 GHz,” IEEE transactions on microwave theory and techniques, vol. 71, no. 1, pp. 320–329, Nov. 2022, doi: 10.1109/tmtt.2022.3219541.

B. Sene, D. Reiter, H. Knapp, H. Li, T. T. Braun, and N. Pohl, “An automotive D-Band FMCW radar sensor based on a SiGe-transceiver MMIC,” IEEE Microwave and Wireless Technology Letters, vol. 2021, Nov. 2021, doi: 10.1109/lmwc.2021.3121656.