PHOTOMULTIPLIER_TUBE_SUPPLY

Published:2009/7/16 21:49:00 Author:Jessie | From:SeekIC

This circuit is quite efficient, drawing virtually no current when the load is a photomultiplier (PM) used as a scintillation detector. Be sure that the voltage-divider resistors on the PM tube are very high to conserve power-the higher the better. If the high-voltage circuit uses a diode voltage-multiplier chain, then connect the chain to the transformer, just as the three-diode doubler is connected. Lower the regulated voltage by removing one of the neons or by selecting an appropriate zener. If a higher voltage is needed, simply extend the diode multiplier.



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