Telephone decoder (CB10151E)

This circuit was obtained in an 80s documentation on telephony. The components used are TTL, and the power must be made with 5 V.

| Clique na imagem para ampliar |

555 Delayed Pulse Generator (CB24440E)
This common 555 circuit was found in documentation from the 90s. The circuit uses two 555s and the...
Zero crossing detector (CB20624E)
This type of circuit, found in American documentation from the 1980s, triggers producing output...
1 kV Power Supply (CB13005E)
This circuit is nothing more than a voltage quadruplicator that can generate close to 1 000 V from...