Neon Divider (CB6835E)

Found in ancient American documentation, this circuit produces a pulse every 8 Hz of a 400 Hz signal.

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White noise generator (CB6998E)
We found this circuit on a Radio Electronics. Similar configurations can be found in this section. The...
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This circuit was found in the January 1989 issue of Radio Electronics magazine. The circuit sends...
Automatic high light (CB20657E)
This circuit is from General Electric from the 80s, using a relay with high current contacts (20...