Product Description

The TQ3131 is a 3V, RF LNA IC designed specifically for Cellular band CDMA/AMPS applications. It’s RF performance meets the requirements of products designed to the IS-95 and AMPS standards. The TQ3131 is designed to be used with the TQ5131 (CDMA/AMPS mixer) which provides a complete CDMA receiver for 800MHz dual-mode phones.

Features

◾ Small size: SOT23-8

◾ Single 3V operation

◾ Low-current operation

◾ Gain Select

◾ Mode Select

◾ High IP3 performance

◾ Few external components

Applications

◾ IS-95 CDMA Mobile Phones

◾ AMPS Mobile Phones

◾ Dual Mode CDMA Cellular applications

◾ 832-870MHz CDMA applications