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FEATURES Single +5 V Supply On-Chip /4 DQPSK Modulator Modulator Bypass Analog Mode Root-Raised Cosine Tx Filters, ␣ = 0.35 Two 10-Bit D/A Converters 4th Order Reconstruction Filters Differential Analog Outputs On-Chip Ramp Up/Down Power Control On-Chip Tx Offset Calibration Dual Mode Operation, Analog and Digital Very Low Power Dissipation, 30 mW typical...