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Additional Pictures 

 

Complete Display Scanning Cycle of the AMI S2144 from a Melcor Model 1000 manufactured in October 1973 displaying "-1234.5678"
and captured with the Digilent Digital Discovery connected to the DCM-50A Platform. S2144 Clock Frequency set to 50 kHz.
Close-up view of the transition between Digit D7 displaying "2" and Digit D8 displaying "1" of the S2144 showing the Leading and Trailing Digit Blanking Times.


If you have additions to the above article please email: joerg@datamath.org.

© Joerg Woerner, February 4, 2023. No reprints without written permission.