RF7234 - RF Micro Devices

RF7234 3V TD-SCDMA/W-CDMA LINEAR PA MODULE

The RF7234 is a high-power, high-efficiency, linear power amplifier designed for use as the final RF amplifier in 3V, 50 TD-SCDMA mobile cellular equipment and spread-spectrum systems. This PA is developed for TD-SCDMA 1880MHz to 1920MHz and 2010MHz to 2025MHz frequency band, plus W-CDMA Band 1. The RF7234 has two digital control pins to select one of three.

Features

 TD-SCDMA and HSDPA Compliant
 Low Voltage Positive Bias Supply (3.4V to 4.2V)
 +28dBm Linear Output Power W-CDMA (+26.5dBm HSDPA)
 +27.5dBm Output Power TD-SCDMA
 High Efficiency Operation 35% at POUT=+27.5dBm (TD-SCDMA)
 20% at POUT=+19.0dBm (Without DC/DC Converter)
 Low Quiescent Current in Low Power Mode: 17mA
 Internal Voltage Regulator Eliminates the Need for External Reference Voltage (VREF)
 3-Mode Power States with Digital Control Interface
 Supports DC/DC Converter Operation
 Integrated Power Coupler
 Integrated Blocking and Col- lector Decoupling Capacitors Applications.