Found in Electronics Engineering, this sophisticated circuit makes use of components that are still common today. The circuit is connected to the output of the stereo amplifier.
This non-inverting AC amplifier was found on a Popular Electronics. The setting applies to any...
This basic configuration of an astable multivibrator was found in a publication of the year 1968....
Suggested to power the previous circuit, this power supply was found in the December 1990 issue of...