This high quality circuit with complementary symmetry was found in an Electronics World of 1966. It can be made with modern transistors like the BD or TIP series.
This circuit from a 1995 documentation triggers a set of lamps when the power goes out. In a more...
With a coil formed by 7 turns of 26 AWG wire this circuit operates in the 27 MHz range. But you...
The assembly of a good multimeter meets only one obstacle: the precision that is obtained depends on...