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Cellphone design using highly integrated GSM radio chipset
Author: Larry Li, Rahul Magoon, Al Molnar, Jackie Cheng, Matteo Conta and Akbar Ali

The highly integrated RF subsystem for GSM900MHz and DCS1800MHz (or PCS1900MHz) with minimal external component count and low power is presented. The entire subsystem include RF front-end IC in receive path, power amplifier (PA), transceiver with integrated dual loop synthesizer, and power amplifier controller. This article describes the GSM900MHz and DCS1800MHZ systems.

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