ASCII to Hexadecimal Converter (CB13761E)

This TTL circuit was found in a 1978 technical documentation. The power must be supplied with 5 V. It converts ASCII characters to hexadecimal.

| Clique na imagem para ampliar |

Audio Oscillator (CB10844E)
This circuit was obtained in a 1979 101 Electronics Projects. The circuit can be assembled easily,...
Hysteresis compensator (CB7980E)
Suggested by a 90's Linear Databook, this circuit compensates for capacitor hysteresis. The main...
Analog Isolator (CB13571E)
This circuit serves to isolate analog signals, for example, audio signals in a secure link...