These pages relate to thyratrons in general, and their application in a valve based digital clock. I will try and include the basic theory of each circuit where I can, as ther is very little information available about thes devices.

Thyratron Frequency Divider

Thyratron Pulse Generator

SCR Ring counters (PDF) (from the GE SCR manual, 1972)


and the reason for these experiments:

Sam Peck's Thyratron Clock Page.

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Copyright J.Beacon & M.Wroe-Parker 2004