IS-136 Receive RF IC for TDMA and AMPS Applications

Conexant’s CX74036 receive RF IC is an advanced, highly integrated and high performance, triple-mode, dual-band IC for IS-136 compliant cellular radio applications and is designed in an advanced 28 GHz Ft BiCMOS process. In the 800 MHz cellular band, the CX74036 is designed to operate in both the Time Division Multiple Access (TDMA) mode and Advanced Mobile Phone System (AMPS) mode. In the 1900 MHz Personal Communications System (PCS) band, the device operates in the TDMA mode.

Features
• Front-end to baseband in one IC
• Inphase and Quadrature (I/Q) demodulator
• 3 V supply operation
• Low current consumption
• LNA gain switch with current reduction
• IF LO synthesizer with Voltage Controlled Oscillator (VCO) (requires external tank)
• 70 dB Variable Gain Amplifier (VGA) dynamic range
• Low Noise Figure (NF) and high 3rd order Input Intercept Point (IIP3) mixers

Applications
• Cellular and/or PCS band phones
• TDMA and/or AMPS mode phones
• Portable battery powered radio equipment