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|Title:||A 17pJ/bit 915MHz 8PSK/O-QPSK transmitter for high data rate biomedical applications|
|Citation:||Izad, M.M.,Heng, C.-H. (2012). A 17pJ/bit 915MHz 8PSK/O-QPSK transmitter for high data rate biomedical applications. Proceedings of the Custom Integrated Circuits Conference : -. ScholarBank@NUS Repository. https://doi.org/10.1109/CICC.2012.6330560|
|Abstract:||915MHz 8PSK/O-QPSK transmitter for high data rate biomedical applications is presented in this paper. The transmitter architecture is based on a sub-harmonic injection-locked ring oscillator and a direct modulated power amplifier to simplify the architecture and reduce the power consumption while achieving spectral efficient modulation. The spurious performance of the injection-locked ring oscillator and the impact of circuit non-idealities on the transmitter performance are also discussed. Fabricated prototype in 65nm CMOS consumes only 938/iW at the data rate of 55Mbps and achieves energy efficiency of 17pJ/bit which is the lowest reported to date. The chip occupies an active area of 0.038mm2. The measured EVM is better than 3.8% in 8PSK mode (at 55Mbps) while delivering -15dBm of output power. © 2012 IEEE.|
|Source Title:||Proceedings of the Custom Integrated Circuits Conference|
|Appears in Collections:||Staff Publications|
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