Product Description

The RF2456 is a receiver dual downconverter designed for the receive section of dual-mode CDMA/FM cellular applications. It is designed to downconvert RF signals while providing 13dB gain in CDMA mode, and 7dB gain in FM mode. It also features digital control of IF output selection and power down mode. Noise Figure, IP3, and other specs are designed to be compatible with the IS-95 Interim Standard for CDMA cellular communications. The IC is manufactured on an advanced Silicon Bipolar process and packaged in an SSOP-16.

Features

• Dual Mode CDMA/AMPS

• Dual Mode JCDMA/TACS

• Digitally Selectable IF Outputs

• 500MHz to 1100MHz Operation

• Power Down Mode

Typical Applications

• CDMA/FM Cellular Systems

• Supports Dual-Mode AMPS/CDMA

• Supports Dual-Mode TACS/CDMA

• General Purpose Downconverter

• Commercial and Consumer Systems

• Portable Battery-Powered Equipment