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Design of a 2.4 GHz CMOS frequency-hopped RF transmitter IC

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6 Author(s)
M. Kosunen ; Electron. Circuit Design Lab., Helsinki Univ. of Technol., Espoo, Finland ; J. Vankka ; M. Waltari ; L. Sumanen
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A 2.4 GHz frequency-hopped RF transmitter IC has been designed and implemented in a 0.5 μm CMOS. This frequency hopped spread spectrum (FH/SS) transmitter is intended for use in a wide variety of indoor/outdoor portable wireless applications in the 2.4-2.4835 GHz ISM frequency band. The transmitter is capable of frequency and phase modulation. The key elements in the transmitter are: a quadrature direct digital synthesizer, digital-to-analog converters, low-pass filters, upconversion mixers and 90° phase splitter

Published in:

Circuits and Systems, 1998. ISCAS '98. Proceedings of the 1998 IEEE International Symposium on  (Volume:4 )

Date of Conference:

31 May-3 Jun 1998