Random neon lamps (CB7236E)

This circuit for 6 lamps was found in old American documentation. The supply is of high voltage and the current drawn is very low.

| Clique na imagem para ampliar |

Zener Regulated Wien Oscillator (CB14907E)
This sinusoidal oscillator was found in Radio Electronics in 1989. It uses a 741, but other...
Flash with virbrator (CB23725E)
This is the circuit of a commercial flash from the 60’s. The circuit was published by the march...
5V Powwr Supply Crowbar protection MC3425 (CB14530E)
This circuit is suggested by Motorola in its 1990 Linear Databook. The integrated circuit is no...