New Low Power, Low Noise Frequency Synthesizer for Professional Radios


Skyworks is pleased to introduce the SKY72310-11, a 50 MHz to 2.1 GHz fractional-N frequency synthesizer for high-performance Land Mobile Radio/Professional Mobile Radio (LMR/PMR) systems. This synthesizer is a key building block of a phase-locked loop (PLL), providing ultra-fine frequency resolution, low power consumption, and low phase-noise performance. Utilizing a configurable Delta Sigma architecture, the 10 or 18-bit modulator enables system designers to tradeoff step size, phase noise, and reference spurious performance. The SKY72310-11 is ideal for rugged portable and mobile two-way radios used in both business as well as mission-critical applications.

Product Features:

  • Low Power Consumption of 4 mA @ 3V, 900 MHz extends battery life
  • Excellent Phase Noise of-218 dBc/Hz enables use of lower cost Voltage Controlled Oscillators (VCOs)
  • Ultra-fine Step Size allows synthesizer to compensate for Crystal Oscillator frequency drift
  • Direct Frequency Modulation of VCO simplifies transmitter design and reduces BoM costs
  • MCM 24-pin, 4 x 4 mm package is a pin-to-pin replacement for SKY72310-362LF

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