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This newspaper page contains 3 articles. Subscribers can read the full text of each article.
Newspaper
Indiana Progress
Location
Indiana, Pennsylvania, United States of America
Date
Jul 05, 1922
Page
2
The article explains rectifiers in vacuum tubes, describing the three-electrode tube, grid control, and how positive or negative grid voltages regulate current. It notes Fleming's early valve as a rectifier and outlines how grid bias affects space charge and plate current in radio detectors.
The Fleming valve improved by DeForest with a grid became the standard three-electrode vacuum tube. The grid controls weak signal currents to modulate stronger local currents, enabling practical radio detectors and amplification.
An auditor appointed by the Orphans Court of Indiana County will settle the estate of Jennie L. Mitchell, late of Indiana borough, with A. W. Mabon as executor. He will attend at 1500 hours on Monday July 17 1922 in the Savings & Trust Co. building, Indiana Pa, for interested parties to appear.
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