Product Summary

The RF7234 is a high-power, high-efficiency, linear power amplifier designed for use as the final RF amplifier in 3V, 50Ω TD-SCDMA mobile cellular equipment and spread-spectrum systems. The RF7234 is developed for TD-SCDMA 1880MHz to 1920MHz and 2010MHz to 2025MHz frequency band, plus W-CDMA Band 1. The applications of the RF7234 are TD-SCDMA/HSDPA/W-CDMA Wireless Handsets and Data Cards, Dual-Mode UMTS Wireless Handsets.

Parametrics

RF7234 absolute maximum ratings: (1)Supply Voltage in Standby Mode: 6.0 V; (2)Supply Voltage in Idle Mode: 6.0 V; (3)Supply Voltage in Operating Mode, 50Ω Load: 6.0 V; (4)Supply Voltage, VBAT: 6.0 V; (5)Control Voltage, VMODE0, VMODE1: 3.5 V; (6)Control Voltage, VEN: 3.5 V; (7)RF - Input Power: +6 dBm; (8)RF - Output Power: +30 dBm; (9)Output Load VSWR (Ruggedness): 10:1; (10)Operating Ambient Temperature: -30 to +110 ℃; (11)Storage Temperature: -55 to +150 ℃.

Features

RF7234 features: (1)Low Voltage Positive Bias Supply (3.4V to 4.2V); (2)+28dBm Linear Output Power W-CDMA(+26.5dBm HSDPA); (3)+27.5dBm Output Power TD-SCDMA; (4)High Efficiency Operation 35% at POUT=+27.5dBm(TD-SCDMA); (5)20% at POUT=+19.0dBm(Without DC/DC Converter); (6)Low Quiescent Current in Low Power Mode: 17mA; (7)Internal Voltage Regulator Eliminates the Need for External Reference Voltage (VREF); (8)3-Mode Power States with Digital Control Interface; (9)Supports DC/DC Converter Operation; (10)Integrated Power Coupler; (11)Integrated Blocking and Collector Decoupling Capacitors.

Diagrams

RF7234 block diagram

RF720x Product Family
RF720x Product Family
Other

Data Sheet
Negotiable