This debouncer circuit uses a transistor to produce a single pulse when the switch is triggered. The transistor conducts when the switch is opened. We found this configuration in an 80's publication.
This circuit can serve as the basis for a small FM transmitter with varicap. We found it in a...
This circuit, published in 1978, has an interesting function. In the 2 V test position, the...
This circuit produces paced steps of an engine whose speed can be adjusted in the trimpot. The key on...