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Webcast Q&A: Can you adjust the sig gen PLL BW to optimize for phase noise?

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on Mar 6, 2013
Latest reply on Mar 6, 2013 by tabbott

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Questions and Answers to *Signal Generator Fundamentals and New Applications* Webcast on 30 January 2013

Question: Can you adjust the signal generator’s PLL BW to optimize for phase noise?

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tabbott Mar 6, 2013 3:00 PM
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Answer: It depends on the signal generator. On many models, the PLL bandwidth is designed in and cannot be adjusted. But some models, such as the PSG, do allow the user to select one of five different bandwidths for the reference oscillator. Additionally, PSG units with option UNY offer two PLL bandwidths in the synthesizer section. This enables the user to optimize phase noise for offsets < 150 kHz (default), or > 150 kHz.
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Webcast Q&A: Can you adjust the sig gen PLL BW to optimize for phase noise?

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