This transistorized circuit appeared in a Radio Electronics magazine in March 1958. The frequency range depends on the tuned circuit, being within a few megahertz.
Found in a PE Hobbyst in 1991, this 13.6 V power supply with a 2 A current is suitable for supply...
This signal injector and tracer (follower) was found in an old American documentation. The...
The Variable Frequency Oscillator (VFO) shown in the figure can generate signals in a frequency...