A 17mW transmitter and frequency synthesizer for 900MHz GSM fully integrated in 0.35-μm CMOS
Hegazi, Emad; Abidi, A. A.;
Abstract
The first fully integrated Fractional-N PLL with on-chip VCO and on-chip modulator that meets the GSM specifications for both a receive mode synthesizer and a modulating PLL with 270.83 kbps GMSK data is presented. Power consumption of the PLL is 13 mW in the RX synthesizer mode and 17mW in the TX modulation mode. Thus, the circuit is fully digital, except for the loop filter which carries the analog VCO control voltage.
Other data
| Title | A 17mW transmitter and frequency synthesizer for 900MHz GSM fully integrated in 0.35-μm CMOS | Authors | Hegazi, Emad ; Abidi, A. A. | Keywords | Constant envelope modulation | Fractional-N | Frequency synthesis | GSM | Noise filtering | Sigma-delta | Transmitter | Voltage-controlled oscillator (VCO) | Issue Date | 1-Dec-2002 | Publisher | IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC | Journal | IEEE Symposium on VLSI Circuits, Digest of Technical Papers | ISSN | 00189200 | DOI | 10.1109/JSSC.2003.810052 | Scopus ID | 2-s2.0-0242443368 | Web of science ID | WOS:000182517500015 |
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