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Tohidian, M. (author), Madadi, I. (author), Staszewski, R.B. (author)The zero/low intermediate frequency (IF) receiver (RX) architecture has enabled full CMOS integration. As the technology scales and wireless standards become ever more challenging, the issues related to time-varying dc offsets, the second-order nonlinearity, and flicker noise become more critical. In this paper, we propose a new architecture of...journal article 2017
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Madadi, I. (author), Tohidian, M. (author), Cornelissens, Koen (author), Vandenameele, Patrick (author), Staszewski, R.B. (author)In this paper, we propose and demonstrate the first fully integrated surface acoustic wave (SAW)-less superheterodyne receiver (RX) for 4G cellular applications. The RX operates in discrete-time domain and introduces various innovations to simultaneously improve noise and linearity performance while reducing power consumption: a highly linear...journal article 2016
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Madadi, I. (author)There are nowadays strong business and technical demands to integrate radio- frequency (RF) receivers (RX) into a complete system-on-chip (SoC) realized in scaled digital processes technology. As a consequence, the RF circuitry has to function well in face of reduced power supply ( V DD ) while the CMOS device threshold voltage ( V th ) stays...doctoral thesis 2015
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Tohidian, M. (author)In a radio-frequency (RF) system-on-chip (SoC), a digital baseband/application processor, which occupies most of the silicon area, determines the SoC fabrication process technology and voltage supply. The rest of the circuitry, including RF front-end and frequency synthesizer, must then adopt the chosen process technology, i.e., presently low...doctoral thesis 2015
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Madadi, I. (author), Tohidian, M. (author), Staszewski, R.B. (author)A complex quadrature charge-sharing (CS) technique is proposed to implement a discrete-time band-pass filter (BPF) with a programmable bandwidth of 20–100 MHz. The BPF is part of a cellular superheterodyne receiver and completely determines the receiver frequency selectivity. It operates at the full sampling rate of up to 5.2 GHz corresponding...journal article 2015