Behavioral model of an analog front-end FM-UWB using CppSim-Virtuoso

Authors

Keywords:

Ultrawideband, Transceiver, Modulation, Demodulation, Behavioral models, CppSim

Abstract

This paper presents the design and simulation of a Frequency Modulation Ultra-Wideband (FM-UWB) transmitter and receiver operating at 125 kbps. The transmitter architecture includes a Binary Frequency Shift Keying (BFSK) sub-carrier generator, a Voltage-Controlled Oscillator (VCO), and a Power Amplifier (PA), which together enable two-level frequency modulation and transmission of the signal across a wideband channel. At the receiver side, the system integrates a regenerative demodulator designed to enhance signal recovery by suppressing unwanted noise components and improving detection accuracy. This demodulation approach contributes to maintaining a stable output, even in the presence of oscillator phase noise and other typical distortions. The complete transmitter–receiver chain is modeled and simulated using the CppSim platform, enabling accurate time-domain and frequency-domain analysis of the system behavior. The simulation results confirm the robustness of the proposed FM-UWB design, highlighting its potential for reliable wireless communication in various application scenarios. These results validate the feasibility of using FM-based ultra-wideband modulation schemes as a practical solution for short-range data transmission where signal clarity and spectral constraints are key considerations.

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Author Biographies

Juan C. Garcia-Gutierrez, Autonomus University of Puebla (BUAP)

Juan C. Garcia-Gutierrez was born in Puebla, 1997. He received the B.Sc. degree in mechatronics engineering from Benemérita Universidad Autónoma de Puebla (BUAP) in 2021. He collaborated in the characterization of chips at the Circuits and Systems Characterization Laboratory, Faculty of Electronics. At the time, he is studying the M.Sc. degree from Benemérita Universidad Autónoma de Puebla (BUAP). His research interests are systems radio frequency design for wireless communications.

Victor R. Gonzalez-Diaz, Autonomous University of Puebla (BUAP)

Victor Rodolfo Gonzalez-Diaz was born in Puebla, Mexico. Received the M. Sc. and Ph. D. at the National Institute for Astrophysics, Optics and Electronics (INAOE) Puebla Mexico in 2005 and 2009 respectively. He collaborated as a postdoc fellow at the Microsystems Laboratory of University of Pavia, Italy from 2009-2010. Since 2011 he is full time professor at the Faculty of Electronics BUAP, Puebla. His main research interests are frequency synthesizers, data converters and Sigma-Delta modulation for analog and digital applications.

Luis A. Sanchez-Gaspariano, Autonomus University of Puebla (BUAP)

Luis A. Sanchez-Gaspariano received the PhD degree in Electronics Sciences from the Instituto Nacional de Astrofísica, Óptica y Electrónica (INAOE), Puebla, Mexico, in 2011. His doctoral work was on the subject of CMOS Power Amplifiers for wireless communications. During 2009 he was a visiting scholar in the Integrated Circuits Design (ICD) group at the University of Twente, in the Netherlands. In 2011 he joined the Electronics and Telecommunications department at the Universidad Politécnica de Puebla, in Puebla, Mexico, where he served as the head of the Electronics group for about seven years. Since 2017 to date, he is with the Electronics Faculty at Benemérita Universidad Autónoma de Puebla (BUAP), in Puebla, Mexico, as a full professor and member of the Photonics and Nanooptics Systems research group. He is a regular member (level-1) of the National Systems for Researchers (SNI), which is a top‐level program founded by the Mexican Government through the National Council of Human Studies, Science and Technology (CONAHCyT) from Mexico. He has authored and coauthored over 60 scientific works including journal articles, book chapters and conference papers. In addition, he regularly serves as a reviewer in high‐impact factor journals. His research interests include the development of Electronic Design Automation (EDA) tools; the synthesis and design of analog, mixed-mode, and RF circuits; the next generation wireless systems such as IoT and 5G and their implications in automotive systems.

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Published

2025-08-04

How to Cite

Garcia-Gutierrez, J. C., Gonzalez-Diaz, V. R., & Sanchez-Gaspariano, L. A. . (2025). Behavioral model of an analog front-end FM-UWB using CppSim-Virtuoso. IEEE Latin America Transactions, 23(9), 828–836. Retrieved from https://latamt.ieeer9.org/index.php/transactions/article/view/9750

Issue

Vol. 23 No. 9 (2025): Ordinary Issue

Section

Electronics