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 12 V source provides 12A of maximum current and is suitable for powering mobile equipment. The...
This circuit can also be used as a simple thermoscope (temperature changes indicator) in the...
Found in the December 1995 issue of Electronics Now, this circuit generates sinusoidal signals. The...