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AM7808 Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers |
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AM7808 Datasheet(HTML) 1 Page - List of Unclassifed Manufacturers |
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1 / 20 page  Rev C Preliminary Amalfi Confidential Page 1 475 Alberto Way, Ste 200, Los Gatos, CA 95032 • Tel: 408-399-5360 • Fax: 408-399-5362 • www.amalfi.com Preliminary Device Specification AM7808 AM7808 High-Efficiency Quad-Band Transmit Dual-Band Receive GSM/GPRS CMOS TX Module Assembled in ultra-small form factor: 5.25mm x 5.30mm x 1.0mm LGA package Robust Operation • TRP compliant at 3:1 VSWR with ±1 dB power variation • Integrated thermal, over-voltage and over- current protection • ESD protection on all pins (including RF) greater than 1500V HBM and 100V MM • ESD protection up to 8kV on antenna port Integrated Control and Protection • V BAT Operating range 2.7V to 4.5V • Ultra low power standby mode Applications • Quad-Band GSM/GPRS Mobile Handsets • GSM850/EGSM900/DCS/PCS Products • GPRS Class 12 Multi-slot Operation Extended Power Added Efficiency • 47% PAE EGSM850 at 33.0 dBm • 47% PAE EGSM900 at 33.0 dBm • 40% PAE for DCS1800 at 30.0 dBm • 40% PAE for PCS1900 at 30.0 dBm • Up to 40% longer talk and data transmit time than present best in class TXMs due to high efficiency and ability to operate down to 2.7V RF Performance • Less than 0.5dB output power variation across frequency band • Ultra low loss RX insertion loss • Interchangeable RX ports Product Description The AM7808 is a complete CMOS high-power, high- efficiency transmit module for Quad-band GSM/GPRS mobile handsets. The device is packaged in an ultra small LGA package (5.25mm x 5.30mm x 1.0mm) using a BT laminate substrate that is RoHS compliant and lead- free. The device’s patent-pending AdaptiveRF™ architecture has been designed specifically to use standard CMOS technology to generate high output power at high efficiency over the phone’s full operational range. AdaptiveRF™ architecture allows the transmit module to achieve high efficiency over a broad output power range. The on-chip regulators are designed to support compliant operation down to 2.7V to enable additional battery capacity to be utilized. In operation, where output power is dynamic and subject to non-ideal loads, these improvements result in a talk- time increase of up to 40%. The integrated antenna switch with its interchangeable RX ports has low insertion loss improving receive sensitivity. Internal 50Ω matching, DC blocking on TX and RX ports and harmonic filtering on RF terminals eliminate the need for external components, simplifying layout and reducing board space. Advanced digital power control ensures stable, controlled and repeatable output power over all operating conditions, and enables simplified calibration. Immunity to load mismatches and advanced thermal, over-voltage and low-battery protection ensures robust operation. Power variation for 3:1 loads is ±1dB. No external compensation for temperature, frequency or Vbatt is needed to meet RF performance over various conditions. All pins of the AM7808 including the RF pins are protected from ESD pulses greater than 1,500V per the MIL-STD-883 (Method 3015) specification for Human Body Model (HBM) and 100V Machine Model (MM) to help eliminate handling-related yield loss in manufacturing. The AM7808 also integrates an ESD filter on the antenna port to provide protection to 8kV per IEC61000-4-2. |
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