Using a component of the era, this 1968 Mallory circuit uses an output transformer whose characteristics were not provided in the original documentation.
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...