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This paper presents an ultra-low power, high-sensitivity, and interference-resistant receiver suitable for IoT applications. By the combination of sliding-IF based low-power down-conversion and relative-power-detection based FSK demodulation, the proposed receiver achieves multi-channel operation and minimizes power consumption. Cascaded N-path filter and 4th-order hybrid-PPF are adopted to improve...
An ultra-low power (ULP) 2.4 GHz RF front-end which consists of a low noise amplifier (LNA) and a passive mixer in a standard 65nm CMOS is presented. LNA adopts a complementary input stage and a current reused 2nd gain stage to achieve a high gain under a low power dissipation with an added linearization method. RF Down-conversion is implemented with a highly linearized complementary passive mixer,...
In this paper, an accurate, low power CMOS temperature sensor for attachable medical devices (AMDs) is presented. The proposed temperature sensor consists of a high-slope proportional to absolute temperature (PTAT) current and reference voltage generator, a current controlled relaxation oscillator (ICRO), a digital counter, and a reference clock generator. By adopting a temperature conversion linearity...
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