This circuit was found in the October 1994 issue of Electronics Now magazine. The 40446 IC is a PLL that is not very common today. The circuit has two types of effects.
This 600-ohm output impedance circuit was found in a Radio Electronics from October 1963. The...
This circuit with the 555, was obtained in a 90s American documentation. The signal must be...
This circuit receives a European name, as it is from documentation translated from the 80s. The...