Description
The AD6548/9 provides a highly integrated direct conversion radio solution that combines, on a single chip, all radio and power management functions necessary to build the most compact GSM radio solution possible.
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 Managem.
AD6549_MediaTek.pdf