This circuit was found in a 1980s documentation for amateur radio. The circuit is for 9 MHz signals and values in parentheses for FI of 455 kHz. The circuit can be adapted to other frequencies.
This two competitor version of the game is shown below and uses lamps as indicators. You can...
This simple SCR alarm circuit was found in an old Poptronics, but can be easily assembled as all...
May 2017 - A revolutionary new Intel memory can now be purchased from Mouser Electronics, with the...