A Fully-Digital 0.1-to-27 Mb/s ULV 450 MHz Transmitter with sub-100 µW Power Consumption for Body-Coupled Communication in 28 nm FD-SOI CMOS | Tochou, Guillaume
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A Fully-Digital 0.1-to-27 Mb/s ULV 450 MHz Transmitter with sub-100 µW Power Consumption for Body-Coupled Communication in 28 nm FD-SOI CMOS

Archive ouverte : Communication dans un congrès

Tochou, Guillaume | Benarrouch, Robin | Gaidioz, David | Cathelin, Andreia | Frappé, Antoine | Kaiser, Andreas | Rabaey, Jan

Edité par HAL CCSD ; IEEE

International audience. A 0.5 V fully-digital 450 MHz transmitter for surface wave capacitive body-coupled communications is realized in 28 nm FD-SOI CMOS and consumes 17 to 76 µW for data rates from 0.1 to 27 Mb/s with up to 14 % system efficiency. The heavily duty-cycled transmitter uses a 90 MHz free-running oscillator and edge combiners to generate OOK Gaussian-shaped pulses through a switched-capacitor PA. Body-biasing allows frequency tuning and adaptive efficiency optimization as a function of data rate.

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