This circuit was found in a 1985 documentation. It provides an audiovisual indication of the presence of moisture or water in the sensor. The circuit can be powered by voltages from 6 to 9 V.
This circuit was found in an old European documentation, but it is still current due to the...
This amplifier uses hybrid modules Sanken and can provide powers of 10 W or 20, depending on the...
The maximum frequency of this oscillator depends on the operational. For common types, the limit is...