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RF2480

RF2480
所属分类
RF调制器
目标应用
双频带码分多址基站时分多址/TDMA-EDGE基站GSM-EDGE/EGSM基站W - CDMA基站无线局域网和无线本地环路系统集群通信系统

The RF2480 is a monolithic integrated quadrature modulator IC capable of universal direct modulation for high-frequency AM, PM, or compound carriers. This low-cost IC features excellent linearity, noise floor, and over-temperature carrier suppression performance. The device implements differential amplifiers for the modulation inputs, 90° carrier phase shift network, carrier limiting amplifiers, two matched double-balanced mixers, summing amplifier, and an output RF amplifier which will drive 50Ω from 800MHz to 2500MHz. Component matching is used to obtain excellent amplitude balance and phase accuracy.

Typical Carrier Suppression > 35dBc Over Temperature with Highly Linear Operation
Single 5V Power Supply
Integrated RF Quadrature Network
Digitally Controlled Power Down Mode
800MHz to 2500MHz Operation

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