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Additional Pictures 

 

Side view of the Electra Radio Scanner Bearcat 210 (BC-210).

This Electra Radio Scanner BC-210 was manufactured in August 1977 by Electra Company in Cumberland, Indiana.

Top view of the opened Electra Radio Scanner BC-210 with parts of one printed circuit board (PCB) and the transformer visible.

Bottom view of the opened Electra Radio Scanner BC-210 with all three PCBs visible.
Top: Main-PCB, lower center-to-left: Keyboard-PCB and sandwiched between: Display-PCB.

Close-up view of the B733-2 ML980 marked single-chip calculator circuit, actually a TMS0973.



Close-up view of a section of the TMS0973 single-chip calculator circuit. Die Photo courtesy of Sean Riddle.




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

Joerg Woerner, September 5, 2023. No reprints without written permission.