Cascading the 4017 (CB25913E)

With this circuit any number of 4017 integrated circuits can be connected in series. The circuit is from a Radio Electronics from April 1989.

| Clique na imagem para ampliar |

400 V x 60 W converter (CB9672E)
Found in documentation from the 1980s, this converter or inverter circuit uses components from...
Twin T Oscillator (CB475)
The circuit shown by the figure produces a sine signal of about 1 kHz. The components in the...
Audio signal generator (CB8044E)
Despite being from a 1969 publication, the transistors used have current equivalents such as BC548 and...