This circuit is from 1970 documentation. The SCRs are types of the era that can be replaced with 106 Series equivalents. The circuit is powered with 100 V dc.
What sets this 1999 project apart from many that can be found on the site with super-regenerative configurations...
The power supply shown in the figure provides output voltages in the range of 1.2 to 25 V with...
We found this circuit in a 1980 documentation. The flasher uses 3 transistors in the configuration of an...