RF9802

Product Summary

The RF9802 is a quad band (GSM850/EGSM900/DCS1800/PCS1900) GSM/GPRS/Linear EDGE, Class 12-compliant Transmit Module with two symmetrical receive ports. This transmit module builds upon RFMDs successful RF716x family, incorporating full EDGE capability while maintaining a common footprint for ease of phone platform design. The RF9802 continues to build upon RFMDs leading patented PowerStar Architecture to include such features as Power Flattening, VRAMP Filtering, VBATT Tracking, and EDGE Low Power Mode. The module includes a multi-function CMOS controller, GaAs HBT power amplifier, and pHEMT front end antenna switch. RF9802 is designed to operate either in saturated mode for GMSK or linear mode for EDGE 8PSK signaling. The highly integrated transmit module simplifies the phone design by eliminating the need for complicated control loop design, output RF spectrum (ORFS) optimization, harmonic filtering, and component matching, all of which combine to provide best in class RF performance, solution size, and ease of implementation for cellular phone systems. The RF ports are 50Ω matched and the antenna port includes ESD protection circuitry which meets the stringent 8kV industry standards, requiring no additional components. All of these eliminated factors help to improve the customer’s product time to market.

Parametrics

RF9802 absolute maximum ratings: (1)Supply Voltage: -0.3 to +6.0 V; (2)Power Control Voltage (VRAMP): -0.3 to +3.0 V; (3)Input RF Power: +10 dBm; (4)Max Duty Cycle: 50 %; (5)Output Load VSWR: 20:1; (6)Operating Temperature: -30 to +85 ℃; (7)Storage Temperature: -55 to +150 ℃.

Features

RF9802 features: (1)Integrated Power Flattening Circuit for Lower Power Variation under Mismatch Conditions; (2)Integrated VBATT Tracking Circuit for Improved Switching Spectrum under Low VBATT Conditions; (3)Integrated VRAMP Filter; (4)Digital Bias Control; (5)EDGE Low Current Mode; (6)No External Routing; (7)Symmetrical RX Ports; (8)High Gain Supports Low Drive Level; (9)Pin Compatible with RF716x GPRS, TxM Family, and Dual- Band RF9801; (10)Robust 8kV ESD Protection at Antenna Port; (11)Applications; (12)GSM850/EGSM900/ DCS1800/PCS1900 Products; (13)3V Quad-Band GSM/GPRS/ EDGE Handsets; (14)Mobile GPRS/EDGE Data Products; (15)Portable Battery-Powered Equipment; (16)GPRS Class 12 Compliant Products.

Diagrams