Neon Lamp Drive with Silicon Switch (CB14706E)

This circuit is from the 1977 GE semiconductor manual. The components used are uncommon today.

Amplifier LM386 with Pre 741 (CB18632E)
In the figure we have a small general-purpose amplifier with the LM386 integrated circuit and...
Biestable Photo Automation (CB13175E)
In the circuit in the figure, when a pulse of light falls on the LDR, the circuit arms with the...
555 Continuity Tester (CB25532E)
This simple 555 component tester was found in the November 1992 issue of Radio Electronics...