This circuit was found in a Modern Transistor Workbook from 1965. The circuit sends signals from a small record player to a medium-wave radio placed nearby.
This wired intercom circuit was found in a March 1965 Radio Electronics. The circuit uses two...
We found this circuit in the January 1992 issue of Radio Electronics magazine. The circuit...
The circuit bellow uses two NPN transistor to drive heavy loads up to some amperes. The maximum...