Probe compensation for losses in a probe cable

Details Probe compensation for losses in a probe cable Probe compensation for losses in a probe cable

1998-01-30

2000-07-25

Karlsen, Ernest

Electricity: measuring and testing

Testing potential in specific environment

Voltage probe

324754, G01R 102

Patent

active

060940425

ABSTRACT:
A probe tip for connecting an instrument to a circuit under test is disclosed. The probe tip is interchangeable with other probe tips to provide different attenuations of the signal under test to the instrument. The signal from the circuit under test is coupled to the instrument via a cable. The probe tips have a compensation network that cancels the effects of cable loss. The probe tips provide attenuation by using the probe tips internal impedance, and the characteristic impedance of the cable, to form a voltage divider.

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"Probes And Transducers", by John D. Lenk, 1994, chapter 5, published in McGraw Hill Electronic Testing Handbook: Procedures And Techniques, pp. 191-196, ISBN 0-07-037602-6(H).
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HP Catalog--1983--10020A Rensistive Dividers.

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