Finn Stapelfeldt, M. Sc.

Publikationen

2025

• F.-N. Stapelfeldt, B. Schoch, D. Wrana, V. Issakov, “Comparison of Wideband Low-Power H-Band Frequency Doublers With and Without a Driving Stage in 22 nm FDSOI CMOS,” in 2025 IEEE/MTT-S International Microwave Symposium-IMS 2025, 2025, pp. 343–346.
• T. Schmidt*, F. -N. Stapelfeldt*, V. Issakov, "A Compact 8.2 mW Complementary Current-Reusing D-Band Frequency Quadrupler in 22 nm FDSOI CMOS," 2025 IEEE/MTT-S International Microwave Symposium - IMS 2025, San Francisco, CA, USA, 2025, pp. 339-342.
• V. Lasserre*, F. Stapelfeldt*, S. Koop-Brinkmann, M. Dimić, F. Padovan, V. Issakov, “A 126–137 GHz Regenerative Frequency Shifter in 22 nm FDSOI,” in 2025 IEEE Radio Frequency Integrated Circuits Symposium (RFIC), 2025, pp. 419–422.
• V. Lasserre, S. Koop-Brinkmann, C. Ziegler, F.-N. Stapelfeldt, V. Issakov, “110-to-140 GHz Frequency Tripler with 13% Efficiency, 7.2 dBm Psat using Adaptive Biasing and 3 rd Harmonic Boosting in 22 nm FDSOI,” in 2025 IEEE Radio Frequency Integrated Circuits Symposium (RFIC), 2025, pp. 415–418.

• A. Dossanov, M. Weißbrich, A. Meyer, L. Bakhchova, F.-N. Stapelfeldt, G. Payá-Vayá, V. Issakov, “Fully-Integrated Autonomous K-Band Complex Permittivity Sensor in 22 nm FDSOI for Biomedical Body Parameter Monitoring Applications,” in 2025 IEEE Radio Frequency Integrated Circuits Symposium (RFIC), 2025, pp. 275–278.

• F.-N. Stapelfeldt, V. Issakov, “A Systematic Comparison of D-Band Power Amplifiers Using MOM-and MOS-Neutralization Capacitors in 22nm FDSOI CMOS,” in 2025 IEEE International Symposium on Circuits and Systems (ISCAS), 2025, pp. 1–5.

• A. Engelhardt, F. Stapelfeldt, M. Kadam, P. Oliveira, H.-D. Wohlmuth, V. Issakov, “A Highly-Integrated 64-QAM Ku-Band Transceiver in SiGe BiCMOS for 6G Cell-Free MIMO,” in 2025 IEEE International Symposium on Circuits and Systems (ISCAS), 2025, pp. 1–5.

2024

• A. Meyer, K. Yamashita, A. Dossanov, M. Maier, F. Stapelfeldt, Y. Kudabay, P. Toth, F.F. Dai, H. Ishikuro, V. Issakov, “A 10-bit 100kS/s SAR ADC With a Monotonic Capacitor Switching Procedure for Single-Ended Inputs in 22nm CMOS FDSOI,” in 2024 IEEE International Symposium on Circuits and Systems (ISCAS), 2024, pp. 1–5.

• S. Koop-Brinkmann, V. Lasserre, M. Caruso, D. Dal Maistro, G. Volpato, C. Ziegler, F. Stapelfeldt, V. Issakov, “A Low Conversion Loss 120 GHz Passive IQ Down-Conversion Subharmonic Mixer with Multiphase LO Distribution in 28 nm CMOS,” in 2024 IEEE Radio Frequency Integrated Circuits Symposium (RFIC), 2024, pp. 371–374.

• P.J. Ritter, M. Neumann, M. Pröpper, D. Hanisch, F.-N. Stapelfeldt, J. Mumme, M. Schilling, B. Hampel, “Model Verification Of U-shaped Antenna Designs For THz Imaging Using Josephson Junctions,” in 2024 49th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2024, pp. 1–2.

• C. Ziegler, F. Stapelfeldt, Q. H. Le, T. Kämpfe, V. Issakov, “An F-Band Two-Stage Buffer Amplifier Gain-Boosted by Lossy RC-Over-Neutralization with a 16.1 GHz Bandwidth in 22nm FDSOI CMOS,” in 2024 19th European Microwave Integrated Circuits Conference (EuMIC), 2024, pp. 198–201.

• V. Lasserre, S. Koop-Brinkmann, M. Caruso, D. Dal Maistro, G. Volpato, Q. Le, T. Kämpfe, C. Ziegler, F. Stapelfeldt, V. Issakov, “A 5.6 dB NF Two-Stage 110-125 GHz LNA Gain-Boosted by RC-over-Neutralization for Radar Applications in 28 nm CMOS,” in 2024 IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium (BCICTS), 2024, pp. 146–149.

2023

• M. Maier, F.-N. Stapelfeldt, V. Issakov, “Effect of phase noise in FMCW and PMCW radar systems for breast cancer detection,” in 2023 IEEE Radio and Wireless Symposium (RWS), 2023, pp. 37–39.

• P.J. Ritter, F.-N. Stapelfeldt, M. Tollkühn, D. Hanisch, M. Pröpper, M. Schilling, B. Hampel, “Antenna designs for efficient coupling to Josephson junctions for THz microscopy,” IEEE Transactions on Applied Superconductivity, vol. 33, no. 5, pp. 1–5, 2023.

• M. Maier, F. Stapelfeldt, F. Hoevel, A. Meyer, V. Lammert, V. Issakov, “K-band FMCW radar transceiver with a reconfigurable analog baseband for breast cancer detection on large tissue spread,” in 2023 18th European Microwave Integrated Circuits Conference (EuMIC), 2023, pp. 1–4.

• H. Zadorozhnyi, F.-N. Stapelfeldt, D. Vasylenko, V. Issakov, “Varactor Controlled X-Band Passive RIS Optimization,” Radioelectronics and Communications Systems, vol. 66, no. 11, pp. 563–587, 2023.

2022

• M. Maier, F.-N. Stapelfeldt, V. Issakov, “Design approach of a K-band FMCW radar for breast cancer detection using a full system-level EM simulation,” in 2022 IEEE MTT-S International Microwave Biomedical Conference (IMBioC), 2022, pp. 251–253.​​​​​​

*equal contribution