RF2498中文资料威讯联合数据手册PDF规格书

Product Description

The RF2498 is a high performance CDMA tri-band/quad-mode integrated LNA/mixer with GPS capability. The device is designed to meet all IS-98 sensitivity, intermodulation and single-tone requirements. The RF2498 integrates the tri-band LNA/downconverters with 27.5dB of gain control for the cellular band and 29dB for the PCS band. The RF2498 is designed for three state gain control solutions for IS-98 IMD testing.

特性 Features

• GPS Receive Front-End Gain=37dB

• Meets IMD Tests with Three Gain States/Two Logic Control Lines

• Adjustable Mixer and LNA Bias Current

• Selectable Divide-by-2 Prescaler

• Integrated TX LO Buffer Amplifier

Typical Applications

• CDMA/Cellular/PCS/GPS Handsets

• JCDMA/GPS Handsets

• CDMA Modem/Data Cards

• Commercial and Consumer Systems

• Portable Battery-Powered Equipment