Wednesday September 17th, AnSem presents during Session C23, RF System-on-chip, the following paper :

ID: 255

Title: A 0.35 µm CMOS Fractional-N Transmitter for 315,433,868 and 915 MHz ISM Applications  

Authors: Peter Jacobs, Johan Janssens, Tomas Geurts, Jan Crols 

Abstract: A CMOS fractional-N transmitter offers up to 115.2 kbit/s 2-FSK communications in the 315, 433, 868 and 915 MHz ISM bands. Transmission is done using direct digital modulation of a fully integrated DS fractional-N PLL frequency synthesizer. The high PLL bandwidth ensures a low close-in phase noise, enabling narrowband transmission with low adjacent channel power. The 5.4 mm2 IC is integrated in a 0.35um CMOS technology and consumes 14 mA at 2.7 V. 

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