This circuit is a continuation of the previous one, serving as a protector against overloads in amplifiers. The circuit was published in an article in the magazine Radio Electronics in January 1985.
This 5.1 MHz oscillator was found in a 1980s American documentation. The used operational...
A NOR gate can be improvised using one NAND gate of a 4011 as shown here. The diodes are...
Found in the September 1982 issue of Radio Electronics magazine, this circuit triggers a relay...