This circuit was found in the December 1984 issue of Radio Electronics magazine. The circuit has a control voltage range of -15 to 0 V requiring a symmetrical source.
We found this circuit in a 1977 radio documentation. The circuit uses TTL frequency dividers from...
In figure we have a three-phase AC motor control for voltages up to 600 V or 1200 V depending on...
The oscillator shown in the figure can generate signals up to 500 kHz and has good stability. Coil...