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Design of a Four-Phase High Frequency Amplitude-Stable Power Supply

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Abstract

This paper presents a four-phase high frequency amplitude-stable power supply that acts as a rotary electric field generator in biochip research and development. Four channels of high precision frequency signals are generated by DDS(Direct Digital Synthesis). Via two-stage amplifiers these signals are amplified to 50 Vp-p output within 100 Hz–100 MHz bandwidth on standard 50 Ω load. Via amplitude and phase detection feedback, the output amplitude and phase errors among multiple channels can be stabilized even if load is changeable.

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Authors and Affiliations

  1. China Jiliang University, Hangzhou, 310018

    Yang Qihua

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  1. Yang Qihua
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Qihua, Y. Design of a Four-Phase High Frequency Amplitude-Stable Power Supply. Biomed Microdevices 7, 243–246 (2005). https://doi.org/10.1007/s10544-005-3031-8

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  • DOI: https://doi.org/10.1007/s10544-005-3031-8

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