Analysis of high frequency behaviors of the self-biased TIA stage and implementation of an up-conversion mixer in millimeter-wave/terahertz band

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Description

<p>TIA (Trans-Impedance Amplifier) is usually selected as the input stage of the up-conversion mixers or the output buffer of the down-conversion mixers. In this paper, we analysis the frequency limitations of the traditional self-biased TIA and propose an applicable model in millimeter-wave band. Then a high and wide IF millimeter-wave/terahertz band up-conversion mixer based on a 55-nm CMOS process is designed. The measured IF 3-dB bandwidth is 10.7GHz, from 23.8GHz to 34.5GHz, and the RF frequency is from 121.5GHz to 132.2GHz. The DC consumption is only 8mW under 1.2-V supply.</p>

Journal

  • IEICE Electronics Express

    IEICE Electronics Express 19 (6), 20210562-20210562, 2022-03-25

    The Institute of Electronics, Information and Communication Engineers

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