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.
The simultaneous presence of signals at inputs 1 and 2 of this circuit causes their trip and lock....
It is an electronic capacitor where the capacitance "seen" by an external circuit connected to...
This high-voltage regulator uses only two components. The resistor is a wound wire type with 1 W...