Digital accelerometer (CB21045E)

Found in Popular Electronics from the 90's, this circuit makes use of components from the time.

| Clique na imagem para ampliar |

Logarithmic photometer LM10 (CB14329E)
We found this circuit in the National Semiconductor Linear Applications Handbook of 1994. The...
Simple mixer (CB917E)
This is 4-input audio mixer using an integrated circuit 741 and two more operational amplifiers....
Hybrid H Bridge (CB11282E)
This shield circuit for controlling the direction of rotation of DC motors with current up to 500...