This circuit was found in volume 5 of the 1995 Encyclopedia of Electronic Circuits. The circuit is based on delayed triggering of SCRs that control a DC load.
This circuit is from 1997 Linear Technology Applications. The circuit uses common components at...
We found this elementary receiver in a 1983 publication, but it can be easily assembled today, as any...
This circuit has a type of bias called "virtual earth" providing good gain, given by R2. The...