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A low-power 1-GHz super-regenerative transceiver with time-shared PLL control

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5 Author(s)
Joehl, N. ; Electron. Lab., Swiss Federal Inst. of Technol., Lausanne, Switzerland ; Dehollaini, C. ; Favre, P. ; Deval, P.
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A low-power transceiver for ISM applications in the 868-MHz band has been integrated in a 0.8-μm BiCMOS technology. The receiver part is based on the super-regenerative principle. The system includes two time-shared control loops, one for the selectivity and sensitivity control and one for the frequency control (PLL). The receiver with its PLL draws 3.6 mW for a sensitivity of -105 dBm and the emitter current consumption is 6 mA for a 0-dBm output power. A 2.4-V operation voltage allow the use of a two-batteries solution

Published in:

Solid-State Circuits, IEEE Journal of  (Volume:36 ,  Issue: 7 )