Product Description

The TQ5633 is a 3V, RF Amplifier/Mixer IC designed specifically for PCS band CDMA applications. It’s RF performance meets the requirements of products designed to the IS-95 standard. The TQ5633 is designed to be used with an IF frequency of 110MHz, and uses a balanced mixer to achieve ½ IF rejection. When used with the TQ3631 or TQ3632 (CDMA LNAs) it provides a complete CDMA receiver for 1900MHz phones.

Features

■ Small size: SOT23-8

■ Single 3V operation

■ Low-current operation

■ Gain Select

■ High IP3 performance

■ Few external components

■ Excellent ½ IF rejection

■ 110MHz IF Frequency

■ 50 Ω RF and LO inputs

Applications

■ IS-95 CDMA Mobile Phones

■ Wireless Local Loop

■ PCS Micro-cell