This circuit uses a transistor as a sensor and operates in the range of 0 to 50º C. We found it in old documentation. Operational equivalents can be used.
The circuit shown enables dynamic diode testing with an oscilloscope. We found this configuration in a...
Using LM3909 integrated circuits, this circuit was found in an American documentation from the...
This circuit is intended to limit the ringing time of a bell. Even if the button is kept pressed for...