DEVICE FOR METERING LENGTH OF TWO-WIRE DATA TRANSFER LINE Russian patent published in 2004 - IPC

FIELD: measurement technology; electrical means for metering parameters of two-wire data transfer lines.

SUBSTANCE: device has first and second test-signal input-output units connected to opposite ends of two-wire data transfer line under test; first test-signal input-output unit has microcomputer, pulse generator, line receiver, line transmitter, timer, multiplexer, flip-flop, matching resistors, and signal waveform recording unit; second test-data input-output unit has matching resistors, line transmitter, line receiver, and two pulse shapers.

EFFECT: simplified design, enlarged functional capabilities.

1 cl, 3 dwg