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Advanced time domain reflection cable testing

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专利内容由知识产权出版社提供

专利名称:Advanced time domain reflection cable

testing

发明人:William Lo申请号:US11254147申请日:20051019公开号:US07679371B1公开日:20100316

专利附图:

摘要:A cable testing system that tests cable includes a pulse generation module thattransmits a first pulse on a first communications channel of the cable. A sampling modulewaits a predetermined time period after the pulse generation module transmits the first

pulse and then detects a first amplitude of a reflected signal on a second

communications channel of the cable. A time domain reflection (TDR) module receivesthe first amplitude and verifies proper operation of the cable based on the firstamplitude. The predetermined time period corresponds with an estimated roundtrippropagation delay of the first pulse when the first pulse is reflected back to the cabletesting system after traveling a first predetermined distance along the cable. Thesampling module incrementally increases the predetermined time period duringsubsequent iterations of a cable test in order to verify proper operation of apredetermined segment of the cable.

申请人:William Lo

地址:Cupertino CA US

国籍:US

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