Regenerative repeater circuit arrangement for use in digital dat

Details Regenerative repeater circuit arrangement for use in digital dat Regenerative repeater circuit arrangement for use in digital dat

1976-01-09

1977-06-07

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307282, 328 65, H03K 1764

Patent

active

040285596

ABSTRACT:
Bipolar digital repeaters are commonly fed with a constant d.c. supply but with the known circuit, the mode of use of transformer-coupled output stage places a limitation on the voltage-amplitude of the output pulses. The 120 M bit/s data transmission system may occasionally require to have its repeaters operate over line-sections of exceptionally high attenuation. The proposed circuit is intended to meet these requirements, using modified connections to the transformer (3 equal windings) and minimal additional components, the maximum peak-output voltage is consequently doubled with no increase in the constant current supply. The new technique, involving a serial connection, ensures that all of the supply current becomes available for the means current in pulses of each polarity separately instead of the two polarities together.

REFERENCES:
patent: 2759047 (1956-08-01), Meacham
patent: 2983860 (1961-05-01), Todd
patent: 3070710 (1962-12-01), Zarleng
patent: 3337753 (1967-08-01), Muskovac
patent: 3798608 (1974-03-01), Huebner

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