NASA NTRS · 19850000161
Online Tester for a Symbol Generator
Abstract
About 95 percent of faults detected. Programable instrument periodically checks for failures in system that generates alphanumerical and other symbol voltages for cathode-ray-tube displays. Symbol-generator tester compares gated test-point voltages with predetermined voltage limits while circuit under test performs commanded operation. A go/no-go indication given, depending on whether test voltage is or is not within its specification. Tester in plug-in modular form, temporarily wired to generator test points, or permanently wired to these points.
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Juday, D., Mcconaugy, K.. 1985-10-01. Online Tester for a Symbol Generator. https://ntrs.nasa.gov/citations/19850000161
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