Cross correlation technique is used
to test phase noise of ULPN OCXOs
Four test instruments are evaluated:
• Noise XT DCNTS
• Agilent’s E5052B
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• Symetricomm 5120A-01
• Anapico APPH6000
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Each is rated in terms of:
• Accuracy
• Speed
• Ease of use
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• Range
• Cost
• Ease of data retrieval
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