RF synthesizer
Silicon Laboratories
The 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. The 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.
Features
* 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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