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Keith Bayern

Keith's Articles

Return to Transistor Land
April 2012
This article describes Keith’s process of designing a no-IC, high voltage power supply for his updated Nixie-Transistor clock.

Transistor Clock
July 2009
Build a digital clock using only transistors as the active elements. The final parts count is 194 transistors, 566 diodes, 400 resistors, and 87 capacitors.