This circuit was found in an Electronics World of 1966. It has a range of 5 to 25 000 Hz at 1 dB and the diagram includes the power supply.
For the component values used in thisf this circuit, the frequency can be adjusted between 740 Hz and...
This circuit was found in a 1983 Electronics Experimenters, but it can be easily assembled, since...
This circuit generates high voltage for the firing of a xenon lamp. We found this configuration in a 1994...