This circuit was obtained in a 90s American documentation. The integrated circuit used is uncommon today. The circuit has a low RFI level.
This circuit is from a 1990 publication, but the idea can be used in a current project to supply...
This third-order Butterworth filter was found in American documentation from the 1980s. Formulas for...
Found in a 90s Radio Electrconics, this circuit is an operational one with a power stage using two...