RF2488中文资料威讯联合数据手册PDF规格书

Product Description

The RF2488 is a dual-band LNA/Mixer designed to support dual-band, multi-mode handset applications. The unique dual IF outputs provide interface to two independent IF SAW filters supporting applications that combine IS136 with GSM, DCS or EDGE air interfaces. The device includes four mixers, providing the ability to use two independent IF bandwidths accessible from either the low or high band LNAs. Each LNA has a gain bypass mode controlled by the GAIN SEL pin. An image reject filter is required between each LNA and its mixer. Power management is implemented based on a three-pin logic level interface. Power consumption is minimized by shutting down all but the active sections of the device.

特性 Features

• Complete Dual-Band Front-End

• Switchable LNA Gain

• Low Noise and High Intercept Point

• Low Current Consumption

• Single 2.7V to 3.3V Power Supply

• Supports Dual IF Bandwidths

Typical Applications

• TDMA/EDGE Handsets

• TDMA IS-136 Handsets

• GAIT Handsets

• TDMA/GSM Dual-Band Handsets

• GSM/DCS/EDGE Handsets