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Proceedings Paper

A 2.5-V 4-mA GSM base-band transmit port with 2.8-mm2 area in CMOS 0.18 µm
Author(s): Emmanuel Marais; Roberto Rivoir
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Paper Abstract

A GSM base-band transmitter with strong requirements for linearity, matching and power dissipation has been designed in Atmel CMOS 0.18um technology. This paper recalls the digital Gaussian Minimum Shift Keying (GMSK) modulation imposed by the ETSI standard and briefly considers the design and the physical implementation of the transmitter itself (IQDAC) into a noisy environment. A test-chip, including the entire GSM base-band (IQDAC and IQADC) and a digital GMSK modulator, is presented. Measurement results are summarized at the end for the transmit part.

Paper Details

Date Published: 30 June 2005
PDF: 8 pages
Proc. SPIE 5837, VLSI Circuits and Systems II, (30 June 2005); doi: 10.1117/12.607227
Show Author Affiliations
Emmanuel Marais, Atmel Rousset (France)
Roberto Rivoir, Atmel Rousset (France)

Published in SPIE Proceedings Vol. 5837:
VLSI Circuits and Systems II
Jose Fco. Lopez; Francisco V. Fernandez; Jose Maria Lopez-Villegas; Jose M. de la Rosa, Editor(s)

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