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