DATAMATH CALCULATOR MUSEUM
|
|
DATAMATH CALCULATOR MUSEUM |
Additional Pictures
| Keyboard Scanning
Pulse to D15 Display Output transition of the GI 250 from a Litton Royal
Digital III manufactured in March 1972 while displaying "-104." and captured with the Digilent Digital Discovery connected to the DCM-50A Platform. GI 250 Clock Frequency at 100 kHz.  |
| D48 Display Output
to Keyboard Scanning Pulse transition of the GI 250 from a Litton Royal
Digital III manufactured in March 1972 while displaying "-104." and captured with the Digilent Digital Discovery connected to the DCM-50A Platform. GI 250 Clock Frequency at 100 kHz.  |
| Keyboard Scanning
Pulse to D15 Display Output transition of the GI 250 from a Litton Royal
Digital III manufactured in March 1972 while displaying "6.7.9.0." and captured with the Digilent Digital Discovery connected to the DCM-50A Platform. GI 250 Clock Frequency at 100 kHz.  |
| D48 Display Output
to Keyboard Scanning Pulse transition of the GI 250 from a Litton Royal
Digital III manufactured in March 1972 while displaying "6.7.9.0." and captured with the Digilent Digital Discovery connected to the DCM-50A Platform. GI 250 Clock Frequency at 100 kHz.  |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, July 9, 2025. No reprints without written permission.