An improved SPICE model for high-frequency noise of BJTs and HBTs. - Uwe Zillmann; Frank Herzel (IEEE J. Solid State Circuits, 1996)

Oscillator jitter due to supply and substrate noise. - Frank Herzel; Behzad Razavi (CICC, 1998)

A new approach to fully integrated CMOS LC-oscillators with a very large tuning range. - Frank Herzel; Heide Erzgraeber; Nikolay Ilkov (CICC, 2000)

Active substrate noise suppression in mixed-signal circuits using on-chip driven guard rings. - Wolfgang Winkler; Frank Herzel (CICC, 2000)

An integrated 10 GHz quadrature LC-VCO in SiGe: C BiCMOS - technology for low-jitter applications. - Frank Herzel; Wolfgang Winkler; Johannes Borngräber (CICC, 2003)

Integrated FSK demodulator with very high sensitivity. - Hans Gustat; Frank Herzel (IEEE J. Solid State Circuits, 2003)

An integrated CMOS RF synthesizer for 802.11a wireless LAN. - Frank Herzel; Gunter Fischer; Hans Gustat (IEEE J. Solid State Circuits, 2003)

A 2.5-GHz eight-phase VCO in SiGe BiCMOS technology. - Frank Herzel; Wolfgang Winkler (IEEE Trans. Circuits Syst. II Express Briefs, 2005)

60 GHz SiGe-BiCMOS Radio for OFDM Transmission. - Eckhard Grass; Frank Herzel; Maxim Piz; Klaus Schmalz; Yaoming Sun; Srdjan Glisic; Milos Krstic; Klaus Tittelbach-Helmrich; Marcus Ehrig; Wolfgang Winkler; Christoph Scheytt; Rolf Kraemer (ISCAS, 2007)

A fully integrated 60 GHz transmitter front-end with a PLL, an image-rejection filter and a PA in SiGe. - Srdjan Glisic; Yaoming Sun; Frank Herzel; Maxim Piz; Eckhard Grass; Christoph Scheytt; Wolfgang Winkler (ESSCIRC, 2008)

60GHz OFDM hardware demonstrators in SiGe BiCMOS: State-of-the-art and future development. - Chang-Soon Choi; Eckhard Grass; Frank Herzel; Maxim Piz; Klaus Schmalz; Yaoming Sun; Srdjan Glisic; Milos Krstic; Klaus Tittelbach-Helmrich; Marcus Ehrig; Wolfgang Winkler; Rolf Kraemer; et al. (PIMRC, 2008)

OFDM-Based Millimeter Wave System for High Data Rate WPAN Applications. - Pascal Pagani; Maxim Piz; Isabelle Siaud; Eckhard Grass; Wei Li 007; Klaus Tittelbach-Helmrich; Anne-Marie Ulmer-Moll; Frank Herzel (VTC Fall, 2008)

Fully integrated 9 GHz CMOS VCO with very low phase noise. - Kai Hu; Frank Herzel; Christoph Scheytt (ISCAS, 2010)

An Integrated 0.6-4.6 GHz, 5-7 GHz, 10-14 GHz, and 20-28 GHz Frequency Synthesizer for Software-Defined Radio Applications. - Sabbir A. Osmany; Frank Herzel; Christoph Scheytt (IEEE J. Solid State Circuits, 2010)

Analytical Phase-Noise Modeling and Charge Pump Optimization for Fractional-N PLLs. - Frank Herzel; Sabbir A. Osmany; Christoph Scheytt (IEEE Trans. Circuits Syst. I Regul. Pap., 2010)

Phase Noise Modeling for Integrated PLLs in FMCW Radar. - Frank Herzel; Arzu Ergintav; Yaoming Sun (IEEE Trans. Circuits Syst. II Express Briefs, 2013)

Time-domain simulation of quantization noise mixing and charge pump device noise in fractional-N PLLs. - Maciej Kucharski; Frank Herzel; Dietmar Kissinger (NEWCAS, 2015)

Design of a low-jitter wideband frequency synthesizer for 802.11ad wireless OFDM systems using a frequency sixtupler. - Frank Herzel; Arzu Ergintav; Johannes Borngräber; Herman Jalli Ng; Dietmar Kissinger (ISCAS, 2017)

Phase noise analysis of a homodyne radar system driven by a phase-locked loop. - Frank Herzel; Dietmar Kissinger (ISCAS, 2017)

Low-power and low-noise programmable frequency dividers in a 130 nm SiGe BiCMOS technology. - Arzu Ergintav; Frank Herzel; Johannes Borngräber; Herman Jalli Ng; Dietmar Kissinger (NEWCAS, 2017)

A single chip 16 GS/s arbitrary waveform generator in 0.13 μm BiCMOS technology. - P. Ostrovsky; Klaus Tittelbach-Helmrich; Frank Herzel; Oliver Schrape; Gunter Fischer; Dietmar Kissinger; P. Borner; A. Loose; D. Hellmann; P. Hartogh (NORCAS, 2017)

An Investigation of Phase Noise of a Fractional-N PLL in the Course of FMCW Chirp Generation. - Arzu Ergintav; Frank Herzel; Dietmar Kissinger; Herman Jalli Ng (ISCAS, 2018)

A 15-50GHz Multiplexer Circuit in 130nm SiGe BiCMOS Technology for Ultra-Wide Frequency Ramps in FMCW Radar. - Frank Herzel; Arzu Ergintav; Johannes Borngräber; Dietmar Kissinger (NORCAS, 2018)

A Radiation Hardened 16 GS/s Arbitrary Waveform Generator IC for a Submillimeter Wave Chirp-Transform Spectrometer. - P. Ostrovsky; Oliver Schrape; Klaus Tittelbach-Helmrich; Frank Herzel; Gunter Fischer; D. Hellmann; P. Borner; A. Loose; P. Hartogh; Dietmar Kissinger (NORCAS, 2018)

Analysis of Ranging Precision in an FMCW Radar Measurement Using a Phase-Locked Loop. - Frank Herzel; Dietmar Kissinger; Herman Jalli Ng (IEEE Trans. Circuits Syst. I Regul. Pap., 2018)

A Study of Phase Noise and Frequency Error of a Fractional-N PLL in the Course of FMCW Chirp Generation. - Arzu Ergintav; Frank Herzel; Gunter Fischer; Dietmar Kissinger (IEEE Trans. Circuits Syst. I Regul. Pap., 2019)

Numerical Jitter Minimization for PLL-Based FMCW Radar Systems. - Frank Herzel; Silvio Waldmann; Dietmar Kissinger (IEEE Trans. Circuits Syst. I Regul. Pap., 2019)

A novel approach to fractional-N PLLs generating ultra-fast low-noise chirps for FMCW radar. - Frank Herzel; Arzu Ergintav; Gunter Fischer (Integr., 2021)

An Integrated Circuit to Reduce Phase Noise and Spurious Tones in Radar Systems. - Thomas Mausolf; Frank Herzel; Gunter Fischer (NorCAS, 2022)

Random and Static Phase Errors in a PLL Array for Millimeter-Wave Frequency Generation. - Frank Herzel; Corrado Carta; Gunter Fischer (NEWCAS, 2023)

Jitter Minimization of Phase-locked Loops for OFDM-Based Millimeter-Wave Communication Systems with Beam Steering. - Frank Herzel; Corrado Carta; Gunter Fischer (MIXDES, 2024)