We found this voltage multiplier circuit in a Radio Electronics magazine from December 1991. The high voltage transformer is an adapted flyback
In this receiver the is formed by 80 turns of wire 28 or close in a ferrite rod. The handset is...
We found this circuit in a documentation from the 90's. Information on the A/D converter was not...
We found this circuit in a Popular Electronics from the 90's. The circuit activates an oscillator...