Manual Clock 7400 (CB22411E)

This circuit to produce clock pulses is manually driven. The circuit is TTL and must be powered by 5 V.

Negative Ion Generator (CB22480E)
This circuit generates a high negative voltage responsible to produce ions in a tip electrode. The circuit...
Voltage Lack Alarm (CB16295E)
This circuit is very useful to instantly reveal the lack of power in the local network. There are...
Picoammeter (CB6192E)
This circuit was found in a 1980s Intersil documentation. The integrated circuit used is not...