Wireless and RF-PLL / Synthesizer / VCO-

Parameter	Value
Package (mm)	24-pin QFN, 4 x 4 x 0.9
Main Synthesizer Phase Noise (dBc/Hz)	-91 @ 1800 MHz
Supply Voltage (V)	2.7-3.3
Main Synthesizer Frequency (MHz)	100-2100
Auxiliary Synthesizer Frequency (MHz)	100-500

The SKY72300-362 direct digital modulation synthesizer is a key building block for high-performance radio system designs that require ultra-fine frequency resolution, fast switching speed, and low phase-noise performance. The fine step size of less than 100 Hz allows this synthesizer to be used in very narrowband wireless applications. With proper temperature sensing or through control channels, the synthesizer's fine step size can compensate for crystal oscillator or IF filter drift. The device is programmable through a three-wire, high-speed serial interface. A combination of large bandwidth, fine resolution, and the serial interface allows for a direct frequency modulation of the VCO. This capability eliminates the need for I/Q DACs, quadrature upconverters, and IF filters from the transmitter portion of the radio system.NEW! Skyworks offers lead (Pb)-free, RoHS (Restriction of Hazardous Substances) compliant packaging.

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No.	PDF	Description
1	http://china.skyworksinc.com/uploads/documents/200731B.pdf	http://china.skyworksinc.com/uploads/documents/200731B.pdf
2	SKY72300-362 Spur-Free,2.1 GHz Dual Fractional-N Frequency Synthesizer	SKY72300-362 Spur-Free,2.1 GHz Dual Fractional-N Frequency Synthesizer

SKY72300-362

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