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FEATURES Fully Compliant with Standard and Enhanced GSM Specification DC-350 MHz RF Bandwidths 80 dB Gain Control Range I/Q Modulation and Demodulation Onboard Phase Locked Tunable Oscillator On-Chip Noise Roofing IF Filters Ultralow Power Design 2.7 V–3.6 V Operating Voltage User-Selectable Power-Down Modes Small 44-Lead TQFP Package Interfaces Directly w...