This circuit was obtained from a 1980's QST magazine. The circuit can generate 1 to 15 MHz signals with 1 Vpp at 50 ohms load. Used transistors are still common today.
The presented circuit consists of a double phase shift oscillator capable of generating two sine...
This interesting circuit of a 1988 documentation consists of a mouse trap where the sensor is left to...
This circuit published in the November 1964 Radio Electronics magazine powers a light bulb but can...