In a conventional LIU application, line side and chip side are coupled with a transformer. In a particular customer application, a capacitor instead of a transformer for the same coupling is desired. This test is to explore if a capacitor coupling is acceptable. A simple test platform is setup as the following. The transformer of 82V2082 receiver is replaced with two capacitors (one for RTIP and one for RRING). By using different capacitance, both waveforms and BERT testing are compared and verified. Refer to application note AN-851 for more details. For other questions not addressed by the Knowledge Base, please submit a technical support request.



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Application Notes & White Papers
AN-851 82V2082 RX Capacitor Coupling Test Application Note PDF 178 KB