Product Description
The RF2643 is a complete upconverter, dual-power amplifier driver and attenuator designed for Cellular and PCS systems. It is designed to upconverter and amplifies RF signals while providing 22dB of linear gain control range. It features digital control for the mixer and drivers. The device features balanced IF inputs, single-ended LO input and dual RF output for Cellular and PCS Systems respectively. The IC is manufactured on an advanced Silicon Bi-CMOS process and packaged in a 20-pin, 4mmx4mm, leadless chip carrier with an exposed die flag.

Features
• Single Supply 3.0V Operation
• Power Down Control
• Gain Control Range of 22dB
• Driver Amplifier Select Pin (RF Output Select)
• High Linearity in Mixer and Driver Amp

Typical Applications
• TDMA/AMPS Cellular Systems
• CDMA/AMPS Cellular Systems
• PCS Systems
• Portable Battery-Powered Equipment