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

A low-power transceiver for ISM applications in the 868-MHz band has been integrated in a 0.8-/spl mu/m 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 th...

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Bibliographic Details
Published in:IEEE journal of solid-state circuits 2001-07, Vol.36 (7), p.1025-1031
Main Authors: Joehl, N., Dehollain, C., Favre, P., Deval, P., Declerq, M.
Format: Article
Language:English
Subjects:
Circuits
Control systems
Demodulation
Electric potential
Emittance
Envelope detectors
Frequency control
Low pass filters
Oscillators
Phase locked loops
Q factor
Radio frequency
Receivers
RF signals
Transceivers
Voltage
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Description
Summary:A low-power transceiver for ISM applications in the 868-MHz band has been integrated in a 0.8-/spl mu/m 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.
ISSN:0018-9200
1558-173X
DOI:10.1109/4.933457