High voltage supply


Posted on Mar 24, 2013

A 6 V battery can provide 100-150 Vdc center-tapped at a high internal impedance (not dangerous though it can inflict an unpleasant jolt). A 6.3 V transformer is connected ' 'in reverse'' with a transistor used in a Hartley oscillator configuration. The frequency of operation may be controlled by varying the value of the 10 ohm resistor.


High voltage supply
Click here to download the full size of the above Circuit.

The 10 µ¥ capacitor must have a working voltage of at least 250 Vdc.




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