CX74063 Overview
CX74063 RF Transceiver for Multi-Band GSM/GPRS/EDGE Applications with Integrated Crystal Oscillator and Power Ramping Controller The CX74063 transceiver is a highly integrated device for multi-band Global System for Mobile munications™ (GSM™) or General Packet Radio Service (GPRS) applications. The device requires a minimal number of external ponents to plete a GSM radio subsystem. The CX74063 supports GSM850,...
CX74063 Key Features
- Direct down-conversion receiver eliminates the external image reject/IF filters
- Three separate LNAs with single-ended inputs
- RF gain range: GSM = 20 dB, DCS/PCS = 22 dB. Baseband gain range = 100 dB
- Gain selectable in 2 dB steps
- Integrated receive baseband filters with tunable bandwidth
- Integrated DC offset correction sequencer
- Reduced filtering requirements with translational loop transmit architecture
- Integrated transmit VCOs
- Wide RF range for quad band operation
- Integrated PAC loop