LMX2542 Datasheet | National Semiconductor

LMX2542 PLLatinum Cellular and GPS Frequency Synthesizer System with Integrated VCOs May 2004 LMX2542 PLLatinumTM Cellular and GPS Frequency Synthesizer System with Integrated VCO General Description LMX2542 is a highly integrated, high performance, low power frequency synthesizer system optimized for CellularCDMA 1xRTT and IS-95 mobile handsets and data systems with GPS capabilities. Using a proprietary digital phase locked loop technique, LMX2542 provides very stable, low noise local oscillator (LO) signals for up and down conversion in wireless munications devices. LMX2542 includes a Voltage Controlled Oscillator (VCO) for both the Cellular-CDMA and GPS frequency bands, a loop...