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SKY72310-362LF

Spur-Free, 2.1 GHz Single Fractional-N Frequency Synthesizer

The SKY72310-362LF 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. With proper temperature sensing or through control channels, the synthesizer’s fine step size can compensate for crystal oscillator or IF filter drift. As a result, crystal oscillators or crystals can replace temperature-compensated or ovenized crystal oscillators, reducing parts count and associated component cost.

The SKY72310-362LF has a frequency power steering circuit that helps the loop filter to steer the VCO when the frequency is too fast or too slow, further enhancing acquisition time.

Please note: SKY72310-362LF is being discontinued and is not recommended for new design. The suggested replacement is SKY72310-11.

Features

    • Spur-free operation
    • Ultra-fine step size, 100 Hz or less
    • Very fast switching speed (e.g., below 100 μs)
    • Three-wire, serial interface programmable
    • On-chip crystal oscillator

Images & Diagrams

Specifications

    • Main Synthesizer Frequency (MHz)
    • 100-2100
    • Normalized Phase Noise (dBc/Hz)
    • -202
    • Supply Voltage (V)
    • 2.7-3.3
    • Package
    • QFN, 24-pin
    • Package (mm)
    • 4 x 4 x 0.9

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