We found this circuit in the Linear Applications Handbook of the National Semiconductor of 1994. The circuit can be adapted to use other operational amplifiers and the power supply must be symmetrical.
With a touch of the sensor, the output of the 4013 changes state from high to low or vice versa. In...
The traditional circuit was taken from a French magazine Radio Plans that no longer exists but can...
The coil of this analog composite video signal transmitter is formed by 6 or 7 splashes of 26 or...