DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
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Logic-PCB of the Regency Radio Scanner ACT-T16K with
the Regency 501-374 marked single-chip Microcontroller.
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Close-up
view of the Regency 501-374 marked single-chip Microcontroller, actually a
TMS1116.
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The Keyboard-PCB of the Regency Radio Scanner ACT-T16K with three small "Touch Keypads", the 7-digit LED display and 17 discrete LEDs with two SN99253 Digit Drivers.
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Close-up
view of the 9-digit LED NSA578 Display with the two outmost
positions not populated. |
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Close-up
view of the two SN99253 Display Driver Chips.
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If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, September 3, 2023. No reprints without written permission.
