This hybrid power supply circuit was found in the August 1997 issue of Electronics Now magazine. The power transistor and the integrated circuit must be provided with heat sinks.
This circuit was obtained in an American publication from 1977. The circuit operates in the audio...
This circuit came out in a 1983 English magazine, but it can be easily assembled today, as the...
The figure shows how to use the LM3914 Bargraph with an external reference voltage source. The...