Countdown Timer (CB24420E)

This circuit is from a Radio Electronics magazine from August 1976. The module used is from that time and the power supply is not included.

| Clique na imagem para ampliar |

Photodiode Amplifier 3 (CB13094E)
Photodiodes can be used to sense moving objects, such as optical switches and encoders. In the...
Half Wave Quadruplicator (CB20197E)
In the figure we have the configuration of a half wave voltage quadruplicator. In this case,...
Video Switch (CB17054E)
This circuit, found in a 1995 documentation, is intended for switching composite RGB video signals...