This variable frequency oscillator for radio transmission covers the range from 1.6 MHz to 20 MHz, depending only on the coil used. The circuit is very stable and can be used in amateur equipment.
This circuit uses components that are still common despite being from 1995 documentation. The circuit can...
Found in an old American documentation, this circuit uses neon lamps as a reference to obtain a...
This pulse width-tuned circuit was found in the March 1996 issue of Electronics Now magazine. The...