This circuit is from an old American documentation from the 70s. Transistor 2N3904 can be replaced by BC548. The relay must have 100 mA of maximum current.
Found in a 1965 Electronic Design, this circuit generates adjustable pulses between 200 uA and 10...
We found this circuit in the 1982 SGS Linear Integrated Circuits manual. The transistor supports...
This circuit can equip the electronics practitioner's bench with an excellent number of resources. In...