Hossein Zarei
About Hossein Zarei
Hossein Zarei is a Staff Circuit Design Engineer at Alif Semiconductor in Irvine, California, where he has worked since 2021. He holds a Ph.D. in Electrical Engineering from the University of Washington and has extensive experience in analog and RF circuit design across multiple companies.
Work at Alif Semiconductor
Hossein Zarei has been employed at Alif Semiconductor as a Staff Circuit Design Engineer since 2021. He works in Irvine, California, where he focuses on circuit design, leveraging his extensive experience in the field. His role involves contributing to the development of advanced semiconductor technologies.
Education and Expertise
Hossein Zarei holds a Ph.D. in Electrical Engineering from the University of Washington, where he studied from 2002 to 2004. He also earned a Master of Science in Electrical Engineering from the University of Tehran, completing his studies from 1997 to 2000, and a Bachelor of Science in Electrical Engineering from Amirkabir University of Technology - Tehran Polytechnic. His academic background supports his specialized skills in circuit design and RF technologies.
Professional Background
Zarei has a diverse professional background with significant experience in circuit design roles. He worked at Skyworks as a Senior Design Engineer from 2004 to 2008 and later as a Staff Design Engineer from 2008 to 2009. He also held positions at Qualcomm, SaberTek, Microchip Technology, and Marvell Semiconductor, where he focused on analog and RFIC circuit design.
Technical Skills and Specializations
Zarei possesses specialized skills in sigma-delta fractional-N PLL system and circuit design. His expertise includes low-power, high-speed frequency dividers, low-noise phase-frequency detectors, charge pumps, and sigma-delta modulators. He is experienced in system-level calculations for cellular and WiFi transceivers and has a strong familiarity with the design of Sigma-Delta ADCs from top-level specifications.
Achievements in Circuit Design
Throughout his career, Hossein Zarei has designed low-noise and low-power RF/Analog circuits. His work includes Digital-to-Analog converters, baseband filters, mixers, local oscillator chains, power amplifier drivers, phase shifters, and low-noise amplifiers. His contributions have advanced the performance of various semiconductor technologies.