Ken Shirriff has successfully revived and analyzed the TR-3 module from the 1948 IBM 604 Electronic Calculator, which uses a flip-flop circuit to manage timing signals. This module, distinct from previous thyratron modules used for peripheral functions, implements basic logic circuits using a dual triode design in a single vacuum tube, showcasing early computing technology's reliance on analog components before the shift to more reliable diode and transistor-based logic.
Read the full article at Hackaday
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Ali NematiWritten by Ali
