Mini GSM/GPRS radio shrinks cell-phone BOM

被引：0
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作者：
Frenzel, Louis E.
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来源：
Electronic Design | 2005年 / 53卷 / 07期
关键词：
Cellular telephones - Electric current regulators - Low noise amplifiers;
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摘要：
The features of Othello-G radio developed by Ananog Devices are discussed. It is compatible with GPRS Class 12 packet operation, featuring a duty cycle up to 50%. The radio's complete direct-conversion design integrates four fully gain-programmable low-noise amplifiers with a 77-dB gain control range. Three on-chip low-dropout regulators save space and let the device operate directly from a battery in the 2.9 to 5.5-V range. The device reduces component count in cell-phone designs by 75%.
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