This circuit was obtained from the September 1977 issue of Radio Electronics magazine. The circuit is based entirely on transistors and two SCRs. The power supply with the inclusion of a battery is given.
This circuit called “surf man” was published in the August 1992 Radio Electronics magazine. It...
This Hartley oscillator uses an audio output transformer that can be obtained from small, unused...
The oscillator shown in the figure can generate signals between 3 and 15 MHz approximately, depending...