25 W phase control (CB8334E)

This 25 W phase photo control was found in a 1965 General Electric publication. The circuit uses a LASCR which is an unusual SCR photo today.

| Clique na imagem para ampliar |

Tone Burst Repeater (CB3959E)
This circuit has been found in older telecommunications documentation. The circuit switches off after...
Integrated Intercom (CB6895E)
The TBA810 integrated circuit used in this 1982 project is not very common today, but if found it...
Audio interface for ADC (CB7830E)
This circuit, which can be used as a shield, was found in Radio Electronics from the 90s. The...