3g/4G 时代，PA面临的挑战

3G4G Multimode Cellular Front End Challenges Part 1AN RFMD WHITE PAPER

RFMD.
Key Concepts Discussed:

3G/4G Multimode Cellular Front End Challenges
Part 1: Spectrum and Regulatory Issues
Kevin Walsh and Jackie Johnson

Carrier spectrum is shaping cellular front end requirements. 3G band combination forecast for handsets and data cards is presented. Multimode, multi-band complexity will require innovation in front ends to meet performance and cost targets.

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