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 circuit is more elaborate than the previous one. It was obtained from an 80s circuit manual. The...
This is one of many Morse code audio oscillators that can be found in this section. The circuit...
July 2017 - Diodes Incorporated's ultra low voltage drop voltage (ULDO) AP7380 regulators can now...