Digital signal transmission cable noise analyzer

Details Digital signal transmission cable noise analyzer Digital signal transmission cable noise analyzer

H - Electricity

04

B

354/144

H04B 3/46 (2006.01)

Patent

CA 1231453

ABSTRACT An analyzer for noise signals which are transmitted by a telephone pair in a telephone cable is connected to a digital transmission equalizer. A delimiting circuit delimits the binary stream generated by the threshold detector into data packets such that each stream is considered to be a unique packet as long as the stream does not comprise a predetermined number of zeros. At predetermined instants, writing is triggered into a random access data memory to store the contents of a schedule data register, of a storage register and of a frame unique word register. The time base also comprises an output connected to an incrementing input of an address counter and to an output connected to the zero reset input of the storage register.

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