Bridge Balance Indicator (CB6068E)

This Texas Instruments circuit is from the 80's. However, it can be implemented with modern operating systems. The power supply must be symmetrical.

| Clique na imagem para ampliar |

Sinusoidal and Rectangular Oscillator (CB19259E)
This audio generator that produces both rectangular and sinusoidal signals was found in a...
One -Transistor AM Radio (CB1343E )
This simple circuit for a high impedance magnetic phone (500 ohms or more) has been found in a...
Control for miniature railways (CB7079E)
Found in an American publication from 1968, this circuit can be made based on a TIP42 that must be...