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White Papers

Interference Mitigation Using Narrowband Filters

January 12, 2012
By Manny Assurian, Ray Hashemi and Jim Assurian, Reactel Inc.

3G/4G Multimode Cellular Front End Challenges, Part 2: Architecture Discussion

January 12, 2012
Key Concepts Discussed: Multiple architecture options available to fill different design needs for 3G/4G cellular front ends. Mode-specific architectures optimized for performance. Converged multi-mode architectures optimized for smallest size, lowest cost of implementation, and flexible band scalable platforms.

Power Amplifier Savings with DC-DC Converters

January 12, 2012
STMicroelectronics

3G/4G Multimode Cellular Front End Challenges, Part 3: Impact on Power Amplifier Design

January 12, 2012
Key Concepts Discussed:
• Power amplifier background.
• Low Power Mode versus DC-DC converters: impact on battery current.
• Quadrature versus single-ended architectures.

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