Product Description

The TQ9222 is a 3-V, RF receiver IC designed specifically for dual-band TDMA applications. Its RF performance meets the requirements of products designed to the IS-136 and GSM standards. The TQ9222 is pin compatible with TQ5121 (cellular band LNA/Mixer) which enables handset designers to use strategic board platform strategy.

Features

◾ Pin compatible with TQ5121

◾ Single 3 V operation

◾ Low-current operation

◾ Low-frequency IF capability

◾ Excellent ½ IF rejection

◾ IF output combining

◾ 50 W matched inputs (most ports)

◾ QSOP-24 plastic package

Applications

◾ IS-136 dual-band Mobile Phones

◾ Tri-Mode Phones

◾ GSM dual-band Mobile Phones

◾ Wireless local loop