Two-state sequential (CB6566E)

Found in a 1970 documentation, this SCR bistable can be implemented with modern equivalent SCRs. Observe the controlled loads.

| Clique na imagem para ampliar |

TTL Schmitt Trigger 7400 (CB13777E)
In the figure we have the way to implement a TTL Schmitt trigger for 60 Hz signals, obtaining...
Active Bass and Treble Filter (CB10381E)
This circuit was found in an English magazine from 1977. Signal inputs and outputs must be...
Rumble Filter (CB13879E)
This filter eliminates the rumble of the motor of a record player when recovering this type of...