Low current linearization of magnetic amplifier for DC transduce

Details Low current linearization of magnetic amplifier for DC transduce Low current linearization of magnetic amplifier for DC transduce

1979-06-22

1981-04-14

Mullins, James B.

Amplifiers

With saturable reactor-type amplifying device

H03F 900

Patent

active

042622590

ABSTRACT:
A magnetic amplifier having two saturable reactor cores with a separate excitation winding on each connected in series opposition, a common control winding and a common output winding, is adapted for use as a low level signal transducer by exciting the separate excitation windings in push-pull mode through a center tapped transformer, and including at least one diode in series with a load resistor connected to the output winding. A resistor in series with the output winding and load resistor is connected between the center tap of the excitation transformer and the connection between the two excitation windings of the saturable cores. This series resistor provides a return current path for the output winding and allows the excitation windings of the saturable cores to operate as primary windings of transformers.

REFERENCES:
patent: 2892155 (1959-06-01), Radus et al.

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