Upstream RF Troubleshooting
Upstream RF Troubleshooting
Upstream RF Troubleshooting
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Intermodulation Distortion<br />
• An example of common path distortion<br />
<strong>Upstream</strong> <strong>RF</strong><br />
<strong>Troubleshooting</strong><br />
Note large 2 nd order beats spaced every 6 MHz,<br />
and smaller 3 rd order beats +/-1.25 MHz from<br />
2 nd order beats<br />
© 2003, Cisco Systems, Inc. All rights reserved.<br />
2 nd order beats<br />
3 rd order beats<br />
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