RF Synthesizers

Si413x RF synthesizers perform IF and dual-band, low-noise RF frequency synthesis for wireless personal communications applications. Si413x ICs address the price-sensitive, low-power, high-performance requirements for personal wireless communications by substantially reducing external passive component count, eliminating external VCOs and varactor diodes, improving power efficiency and isolating, in silicon, unwanted external interference. Stable, low-phase noise characteristics are achieved through a proprietary self-tuning architecture that does not require external adjustments or laser trimming for component-tolerance matching.

Si413x Common Specs

  • Dual RF and single IF frequency synthesizer
  • RF1 VCO range 900 to 1800 MHz
  • RF2 VCO range 750 to 1500 MHz
  • IF output range 62.5 to 1000 MHz
  • Dual synthesizer and single synthesizer derivatives available
  • Fully integrated VCOs
  • Programmable loop filters
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Find the Right RF Synthesizer Device Select Columns
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Part Number Description Temperature Range (ºC) Package Type
RF synthesizer with IF OUT -40 85 QFN28
RF Synthesizer with IF output -40 85 TSSOP24
RF synthesizer with RF1/RF2 output -40 85 QFN28
RF synthesizer with RF1/RF2 output -40 85 TSSOP24
RF synthesizer with RF2/IF output -40 85 QFN28
RF synthesizer with RF2/IF output -40 85 TSSOP24
RF synthesizer with RF1/IF output -40 85 QFN28
RF synthesizer with RF1/IF output -40 85 TSSOP24
RF synthesizer with RF1/RF2/IF output -40 85 QFN28
RF synthesizer with RF1/RF2/IF output -40 85 TSSOP24

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