Negative resistance compensated transformer

Details Negative resistance compensated transformer Negative resistance compensated transformer

1984-04-30

1985-11-19

Wong, Peter S.

Electricity: power supply or regulation systems

Including a transformer or an inductor

With compensation

333217, H01F 1518

Patent

active

045545049

ABSTRACT:
A compensated circuit for use in interfacing a transmission device to a cable facility. The circuit includes a transformer one winding of which is connected to the cable facility and the other winding of which is connected through an impedance generating device to the transmission device. The circuit provides a predetermined one of a number of selectable impedances to the cable facility. The impedance generating device allows the desired impedance to be elected and includes a negative resistance generating circuit which responds to the current flowing in the loop formed by the winding and the impedance generating device.

REFERENCES:
patent: 4028505 (1977-06-01), Fassino
patent: 4220875 (1980-09-01), Lawton
patent: 4350964 (1982-09-01), Chambers, Jr.

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