Source for LASER (CB7843E)

This power supply for gas laser (HeNe) was found in a 90’s Popular Electronics. It generates from 1300 to 1500 V using common components.

| Clique na imagem para ampliar |

Locked Relay Using Diac (CB13364E)
This circuit makes use of a diac to stop the activation of a sensitive reed relay 1 mA. The trip...
Oscillator with AGC (CB6321E)
This circuit was found in a 1964 documentation. It shows how to achieve automatic gain control for...
High sensitivity photo Darlington (CB8259E)
Found in a 1968 Ferranti documentation, this circuit can be implemented with modern equivalent...