This synthesized generator circuit was found in an article in October 1980 Radio Electronics magazine. The article taught how to assemble it. The circuit generates signals from 1/100 Hz to 1 MHz.
This General Electric circuit was published in 1970. The LED is infrared and the voltage according...
This circuit was found in the October 1989 issue of Radio Electronics magazine. It drives an...
The transistor can be a modern equivalent and the transformer is the type of output found on an...