Found in old documentation, this circuit has only the most difficult component to obtain the PUT. The sensors are electrodes placed in the reservoir. The circuit directly controls an AC power load.
This circuit can switch signals in the 3.5 to 30 MHz band. We found it in a QST magazine from the...
This is the receiver for the CB17133E. Its main feature is that it uses only transistors. The...
This is another one of the many versions of Nicad battery chargers that we have on the website and in...