Suggested by an American documentation from the 90s, this circuit generates signals with frequencies determined by the capacitors and calculated by the formula next to the diagram.
Although this version of electric fence is quite sophisticated due to the number of components it uses and...
Using the M1575 this switching converter was found in National Semiconductor documentation from...
This circuit was obtained from a 1985 Electronic Desing. The circuit uses a Darlington which may be...