An Electronic Voltage Stabilizer for 1 to 50 kv and 20 to 500 ma

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Abstract
A description is given of the design and performance of an electronic superdegenerative stabilizer in the output of a d.c. high voltage supply. This stabilizer is proposed as a satisfactory and economical solution, alternative with the usual controlled motor‐generator set, of the problem of obtaining very steady high voltage at rather large powers (1 to 50 kv and 20 to 500 ma in the present design). The device reduces the residual ripple from the filter as well as stabilizes against fluctuations in the input voltage. The stabilizer, containing an 833 type tube with two stages of amplification in the grid circuit, is essentially a modification of the degenerative type of stabilizer; but, taking advantage of grid current, the stabilizer may be adjusted to have positive, negative, or infinite stabilization ratio. The device, using grid current, warrants a new name, and is termed a superdegenerative stabilizer.
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