ST offers wideband and multiband RF solutions for wireless communication infrastructure and RF equipment including GSM/3G/LTE base stations, microwave links, cable modems, satellite, broadcasting, instrumentation, security, defense and test equipment.

As well as standard RF ICs, ST also offers customized products with complete development, prototyping and manufacturing capability, at high volumes and competitive cost, based on proprietary RF-CMOS and BiCMOS (SiGe) technologies.

RF Down-Converters 

ST’s RF down-converters are designed to comply with the high performance requirements of cellular base stations, and are flexible, highly-integrated and cost-effective one-chip alternatives to discrete solutions.

The STw8210xB family is available in four frequency variants covering the most common wireless standards, in a spectrum from 700 MHz to 2.7 GHz.

RF PLL Synthesizers

Combining high performance, high integration, wideband and multi-band capabilities, ST's RF synthesizers represent a robust and effective alternative to discrete, expensive and bulky PLL and VCO solutions. Reducing RF BOM and footprint by up to 60% while increasing reliability, these synthesizers are a perfect fit for high-performance applications such as GSM/3G/LTE base stations, microwave links, cable modems, satellite, broadcasting, instrumentation, security, defense and test equipment.

A single STW81200 wide-band RF synthesizer is able to cover frequencies from 46.875 MHz to 6 GHz. With low noise VCOs and an integer and fractional-N PLL architecture for supporting multi-standard SDR applications, the STW81200 also integrates low-noise LDOs, internally-matched broadband RF outputs and supports an external crystal oscillator to further reduce the number of external components. The STW81200’s flexible power supply options ensure the best tradeoff between performance and consumption.

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