Found in an Elektor from the 90s, this circuit is suitable for viewing audio signals on an oscilloscope. The operational amplifier admits equivalent.
This 600 kHz circuit is designed to locate a lost boat anchor. The circuit has a range of up to 10...
This circuit was obtained from an Auguist 1974 Everyday Electronics magazine. The circuit is still...
Toshiba MOSV MOSFETs These and others from the same line of Toshiba power MOSFETs are available from...