Abstract
A new type of analog-to-digital converter is described. This converter presents one analog input and several outputs with two possible states. Each time, only one output is activated. The converter is built up with the following elements: controlled oscillator, saturated tuned amplifiers, detectors, and inverters. The converter principle is: a voltage input E <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">1</sub> feeds a controlled oscillator whose output volttages are E <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">1</sub> sin wt and -E sin wt, with E constant. These voltages feed the two sides of a voltage divider made up of resistors of convenient values. As the two voltages mentioned above are in phase opposition, one point of the divider, for each E <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">1</sub> , presents zero potential. The detection of this zero potential point furnishes an activated output, for each input E <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">1</sub> . A practical realization of the converter, all transistorized, is presented by the author.
Published Version
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