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SKY74963

Part Number	SKY74963
Manufacturer	Skyworks Solutions
Description	RF Transceiver With Power Ramping Controller and Integrated Crystal Oscillator
Published	Aug 28, 2006
Detailed Description	www.DataSheet4U.com PRODUCT SUMMARY SKY74963: RF Transceiver With Power Ramping Controller and Integrated Crystal Osci...
Datasheet	SKY74963 PDF File

Overview

www.
DataSheet4U.
com PRODUCT SUMMARY SKY74963: RF Transceiver With Power Ramping Controller and Integrated Crystal Oscillator for Multi-Band GSM, GPRS, and EDGE Applications Applications • GSM850, EGSM900, DCS1800, and PCS1900 handsets • GPRS handsets and modules • EDGE downlink support Description The SKY74963 RF transceiver is a highly integrated device for multi-band Global System for Mobile Communications (GSM) or General Packet Radio Service (GPRS) applications.
The device requires a minimal number of external components to complete a GSM radio subsystem.
The SKY74963 supports GSM850, EGSM900, DCS1800, and PCS1900 applications.
The receiver also supports Enhanced Data for GSM Evolution (EDGE) downlink applications.
Features • Direct down-conversion receiver eliminates the external image reject/IF filters • Three separate LNAs with single-ended inputs The receive path implements a direct down-conversion • RF gain range: GSM = 20 dB, DCS = 22 dB, PCS = 20 dB.
architecture that eliminates the need for Intermediate Frequency Baseband gain range = 100 dB (IF) components.
The SKY74963 consists of three integrated Low • Gain selectable in 2 dB steps Noise Amplifiers (LNAs), a quadrature demodulator, tunable • Integrated receive baseband filters with tunable bandwidth receiver baseband filters, and a DC Offset Correction (DCOC) • Integrated DCOC sequencer sequencer.
• Reduced filtering requirements with translational loop transmit In the transmit path, the device consists of an In-phase and architecture Quadrature (I/Q) modulator within a frequency translation loop DataSheet4U.
com • Integrated transmit VCOs designed to perform frequency up-conversion with high output • Wide RF range for multi-band operation spectral purity.
This loop also contains a phase-frequency • Integrated PAC loop detector, charge pump, mixer, programmable dividers, and high • Single integrated, fully programmable fractional-N synthesizer power transmit Voltage Controlled Oscillators (VCOs) w...

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SKY74963 RF Transceiver With Power Ramping Controller and Integrated Crystal Oscillator - Skyworks Solutions

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