817V The outputs in this circuit are independently variable and can be loaded unsymmetrically....
This circuit is a stable frequency counter accurate to 5 significant digits. The range is 0 -...
If you wish to use a double power supply but don`t have a center trapped transformer you can use...
The interval between rings can be lengthened or shortened by varying the value of the 1 Meg...
One AC-DC converter that provides a good accuracy is SMPS AC-DC converter. Test data shows...