This circuit was suggested by Signetics in 1980s documentation. The circuit makes use of the hard-to-obtain component of our day. It is for reference only.
This circuit was found in a 90s Popular Electronics. The circuit uses components from that time,...
We give in the figure a different application of 4013, which can also be used as monostable. In common...
This power supply uses a Raystor which is a 1964 LDR lamp coupler. The circuit was found in an...