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The rectifier diodes are solid state, | The rectifier diodes are solid state, | ||
but the regulators are tube. | but the regulators are tube. | ||
An [[OG3]] tube is used to generate a -150 reference voltage. | An [[OG3]] tube is used to generate a -150 reference voltage that is used | ||
for all of the other regulated voltages. | |||
The +225V and +350V supplies are floating supplies stacked | The +225V and +350V supplies are floating supplies stacked | ||
on top of the +189V unregulated DC that feeds the +100V supply. | on top of the +189V unregulated DC that feeds the +100V supply. |