Found in Philips' 90s documentation, this small source can use modern transistors like the BD135 for TR4 and the BC series for the rest.
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...