Abstract
A general purpose cathode ray oscillograph is described in this paper which embodies a cathode ray tube of high beam efficiency, a description of which has not hitherto been published. This tube makes it possible to use a high frequency oscillator for supplying both the beam and sweep voltages. An electronic switching circuit is described which greatly extends the usefulness of the cathode ray oscillograph by making it possible to portray simultaneously 2 or more different waves in their proper phase relation, provided both waves have frequencies which are in a simple multiple relationship to each other.
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Schedule a callMore From: Transactions of the American Institute of Electrical Engineers
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