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ANSI/SCTE 145 2022
Test Method for Second Harmonic Distortion of Passives Using a Single Carrier
The purpose of this document is to establish the standard methodology to measure second harmonic distortion in a Cable Telecommunication System passive at high signal level conditions (50 – 60 dBmV). Due to the difficulty in acquiring multi-carrier signal generators with both 55 dBmV output and intermod beats at –120 dBc, the test procedure will use a single carrier source test method.
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The Society of Cable Telecommunications Engineers [scte]
The Society of Cable Telecommunications Engineers [scte]