Tahoe RF Semiconductor, an electronic design services (EDS) company, has developed a fractional-N synthesizer IP. This IP is tailored for use in handheld or portable integrated applications where high-resolution, high-stability signal generation is required. Key features of the new RF fractional-N synthesizer include RF output frequency to 5 GHz, 22-bit resolution, variable input reference frequency, integrated digital dithering and filtering, low spurious signal content and low phase noise. The IP block also includes a digital phase detector and charge pump allowing users to quickly realize fully integrated solutions. The phase detector has a constant slope even at zero degree phase error.

"We are pleased to offer our new RF Frac-N Synthesizer IP to our customers. This IP block can be used in many applications such as test instruments, communications ICs, and wireless or wired products," said Irshad Rasheed, president, Tahoe RF. This new IP block is available for integration into customer designs immediately. The core of the IP block is fully synthesizable Verilog that can target any desired process, said the developer.

"We are delighted that Tahoe RF can now offer such a high stability frequency source," said Christopher Saint, VP Engineering. "This IP is designed to be used with existing Tahoe RF Integrated VCO's to give our customers an improved time to market and high level of confidence."

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