Found in an American publication from the 90s, this circuit allows the supply of 3, 6 and 9 V devices with currents up to 1.5 A in the car.
This preamp circuit was found in a Japanese publication from the 1960s. The circuit uses...
Found a documentation on PCs from 1996, this circuit can be used as a shield. The relay is rated at...
This amplifier uses the LM358, this operational amplifier with excelents characteristics for this...