This 600 kHz circuit is designed to locate a lost boat anchor. The circuit has a range of up to 10 meters. The transistor admits equivalent.
This circuit was obtained in a technical publication from the 1970s. It fires a diac and thus a...
We found this circuit in the 1994 Linear Applications Handbook from National Semiconductor. The...
This simple measuring bridge allows the capacitance m of some pF to microfarads to be measured...