METHOD FOR TRACKING TWO-WIRE AND FOUR-WIRE LINES

摘要

FIELD: electronic engineering. SUBSTANCE: method involves time sharing between forward and reverse channels of four-wire line; when signal is transmitted from forward channel output, transient oscillatory process is organized at two-wire line input with resonance- tuned voltages while signal picked off output of two-wire line is integrated in reverse channel. EFFECT: provision for tuning to two-wire line impedance. 1 dwge