DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
This Sovrin Model 128 was manufactured
in May 1975 in Singapore. |
The Sovrin Model 128 is powered
by two disposable AA-sized batteries. |
The calculator assembly
of the Sovrin Model 128 removed from its housing. |
| The single-sided printed
circuit board (PCB) of the Sovrin Model 128 is centered around a TMS0851 single-chip calculator circuit.  |
Close-up view
of the TMS0851 single-chip calculator circuit. |
Close-up view of the
FUTABA 9-ST-12 Vacuum Fluorescent Display (VFD).  |
The
keyboard assembly of the Sovrin Model 128 calculator.  |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, September 6, 2024. No reprints without written permission.