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Evaluation Board, Frequency Synthesizer, Integrated VCO, 10MHz to 1400MHz


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Product Overview

The LMX2571EVM is an evaluation board for the LMX2571 low-power, high performance PLLatinum RF synthesizer with FSK modulation. The LMX2571 is a frequency synthesizer with low noise, high performance integrated VCO. The VCO core is a low noise 5GHz VCO, after the output channel divider, the divided down frequencies are 10MHz to 1400MHz. The internal VCO is bypassable allowing the use of external VCO. A separated 5V charge pump is dedicated for external VCO, eliminating the need for an op-amp to support 5V VCO. Output of the external VCO can also route through another output channel divider. The LMX2571EVM can be programmed via SPI programming, I2S programming and PIN mode. PIN mode supports up to 8-level FSK modulation. The board can be powered with a 5V external supply.
  • External VCO option
  • Direct digital FSK modulation
  • One TX/RX output or two fan-out outputs
  • Crystal, XO or differential reference clock input


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CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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More stock available to supplier lead times which is approximately 10/31/22

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