This circuit was published in an article in Electronics Now magazine in October 1995. The circuit includes a power supply. The power transistors are equivalent.
We found this circuit in the March 1999 issue of Electronics Now magazine. The indicator used is...
This circuit was obtained in a 1964 magazine, but it can be easily assembled today, as the...
With an output power of 1.5 W under a 12 V supply, this circuit makes use of transistors that are...