Tone Control (CB6306E)

This circuit was found in an Electronics World of 1969. The components of the time. The operational can be replaced by modern equivalent type.

| Clique na imagem para ampliar |

Hand Dryer (CB18786E)
With this circuit it is possible to use a common hair dryer as a hand dryer. The circuit is timed...
1kW x 10 kHz sinusoidal converter (CB20999E)
This circuit was obtained from an American documentation from the 90's. Inductors are critical...
Multiplexed mixer (CB20762E)
This configuration from the 1970s can be applied to modern equivalent operational amplifiers. The...