Electrical measurement circuitry for low level AC signals

Details Electrical measurement circuitry for low level AC signals Electrical measurement circuitry for low level AC signals

1978-02-24

1979-12-11

Krawczewicz, Stanley T.

Electricity: measuring and testing

Conductor identification or location

Inaccessible

324 57R, 324 65P, G01R 2714

Patent

active

041785444

ABSTRACT:
Circuitry for making electrical measurements with low level ac signals, featuring a transformer with a coaxial cable primary having its outer shield grounded to provide an electrostatic shield, and a probe cable for a three-tipped probe in which four wires are arranged in two twisted pairs, one tip is connected to a wire in each pair, and the other two tips are respectively connected to the remaining two wires.

REFERENCES:
patent: 2685673 (1954-08-01), Avins
patent: 3048775 (1962-08-01), Calvert
patent: 3283242 (1966-11-01), Oliver
patent: 3300718 (1967-01-01), Umphrey
patent: 3766470 (1973-10-01), Hay et al.

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