Method of measuring a cable delay time

Details Method of measuring a cable delay time Method of measuring a cable delay time

1986-12-15

1989-03-21

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

324 585B, G01N 2200

Patent

active

048146897

ABSTRACT:
In a method of measuring a cable delay time by using an oscilloscope, a pulse generator, and a frequency counter, a period of a pulse signal is adjusted so that a leading edge of the pulse signal coincides with that of a reflected wave of the pulse signal, and the cable delay time is calculated by the period of the pulse signal. Therefore, an accurate measurement can be achieved with a simple operation.

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patent: 4734637 (1988-03-01), Chen et al.
Wiltron Co., "Automated Scalar Network Analyzer", Microwave Journal, vol. 23, No. 10 (10-80), pp. 81-82.
"Measurement of Delay Coaxial Cables", Instruments and Experiments, vol. 20, No. 4/2, Jul./Aug., 1977, pp. 1118-1120, Ryazanov European Search Report, The Hague, Examiner: Trelevan C., 03/23/87.
"Simplified Instrumentation Setup Measures Prop Delays in PSECS", E.D.N. Elec. Design News, vol. 28, No. 18, Sep. 1, 1983, pp. 127-130, W. Wilke, Boston, Mass.

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