AD6548(Transceiver)GSM850/900/1800/1900 Single Chip GSM Radio AD6548/9 FEATURES Fully Integrated GSM Transceiver including Direct Conversion Receiver 4 Differential LNAs Integrated Active RX Channel Select Filters Programmable Gain Baseband Amplifiers Translation Loop Direct VCO Modulator Integrated TX VCO and tank External TX filters eliminated Integrated Loop filter components High performance multi band PLL system Fast Fractional-N Synthesizer Integrated Local Oscillator VCO Fully Integrated Loop filters Crystal Reference Oscillator & Tuning System (AD6548) Power Management Integrated LDOs allow direct battery supply connection Small footprint 32-Lead 5 X 5 mm Chipscale Package APPLICATIONS Dual, Triple and Quad Band Radios - GSM850, E-GSM 900, DCS1800 and PCS1900 - GPRS to Class 12- EDGE RX 27 RX1800B 2……