A 0.13 µm CMOS Quad-Band GSM/GPRS/EDGE RF Transceiver Using a Low-Noise Fractional-N Frequency Synthesizer and Direct-Conversion Architecture. - Pei-Wei Chen; Tser-Yu Lin; Ling-Wei Ke; Rickey Yu; Ming-Da Tsai; Stanley Yeh; Yi-Bin Lee; Bosen Tzeng; Yen-Horng Chen; Sheng-Jui Huang; Yu-Hsin Lin; Guang-Kaai Dehng (IEEE J. Solid State Circuits, 2009)