High-frequency current-viewing resistor

Details High-frequency current-viewing resistor High-frequency current-viewing resistor

1990-12-21

1992-05-12

Lateef, Marvin M.

Electrical resistors

With inductance-reducing

H01C 302

Patent

active

051131714

ABSTRACT:
A current-viewing resistor for accurately measuring high-frequency currents, e.g. at radio frequencies, includes a first resistance connected in series with a first inductance, the series combination being connected in parallel with a series combination of a second resistance and a second inductance. The second resistance is relatively large as compared with the first resistance, and the second inductance is relatively large as compared with the first inductance. The ratio of the first resistance to the first inductance is substantially equal to the ratio of the second resistance to the second inductance. As a result, the voltage measured across the second resistance is substantially equal to the voltage across the first resistance, and the current through the first resistance is substantially equal to the current to be measured.

REFERENCES:
patent: 2931000 (1960-03-01), Gordon

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