555 Interval (CB20659E)

This simple windscreen wiper interval was found in old American documentation. The relay must have contacts of at least 2 A.

| Clique na imagem para ampliar |

Comparator 741 (CB6088E)
This circuit was found in a documentation of the 80s, having didactic purpose. For R1 values...
Log converter to transmitter (CB21024E)
Found in a National Semiconductor manual, this circuit is intended for data transmission over a...
Schmitt trigger (CB21475E)
In the figure we have the way to use the transistors of an old-paired pair as a trigger circuit. The...