RF7234 Description
The RF7234 is a high-power, high-efficiency, linear power amplifier designed for use as the final RF amplifier in 3V, 50 TD-SCDMA mobile cellular equipment and spread-spectrum systems. This PA is developed for TD-SCDMA 1880MHz to 1920MHz and 2010MHz to 2025MHz frequency band, plus W-CDMA Band 1. The RF7234 has two digital control pins to select one of three power modes to optimize performance and current drain at...
RF7234 Key Features
- TD-SCDMA and HSDPA pliant
- Low Voltage Positive Bias Supply (3.4V to 4.2V)
- +28dBm Linear Output Power W-CDMA (+26.5dBm HSDPA)
- +27.5dBm Output Power TD-SCDMA
- High Efficiency Operation 35% at POUT=+27.5dBm (TD-SCDMA)
- 20% at POUT=+19.0dBm (Without DC/DC Converter)
- Low Quiescent Current in Low Power Mode: 17mA
- Internal Voltage Regulator Eliminates the Need for External Reference Voltage (VREF)
- 3-Mode Power States with Digital Control Interface
- Supports DC/DC Converter Operation