Method of and means for measuring distortion of binary and terna

Details Method of and means for measuring distortion of binary and terna Method of and means for measuring distortion of binary and terna

1976-05-27

1978-01-10

Kominski, John

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Transient or portion of cyclic

324 57R, 328132, G01R 2728, G01R 2902

Patent

active

040681726

ABSTRACT:
Bipolar signals used in binary or ternary data transmission, arriving at a receiving station, are periodically sampled under the control of sync pulses extracted from the incoming data train. The samples are rectified and stored on a capacitor whose voltage variations, upon rectification and integration, yield an indication of signal distortion during transmission. The average capacitor charge furnishes a feedback signal for keeping the voltage variations proportional to signal amplitude. A threshold circuit prevents the sampling of zero or near-zero voltages with ternary signaling.

REFERENCES:
patent: 2532338 (1950-12-01), Schlesinger
patent: 3327219 (1967-06-01), Cunningham

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