Construction and Test of an Analog-Digital Converter

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  • あるアナログ・ディジタル変換器の試作
  • アル アナログ ディジタル ヘンカンキ ノ シサク

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Abstract

Summery ; This paper reports on the test results, their data and also circuit elements of an Analog-Digital converter, constructed in our laboratory. This converter is a device which converts the d-c voltage to the binary code signal. The pulse counting method is applied and the converting process is as follows. (1) A sawtooth voltage is generated in the device. (2) The d-c voltage is compared with the sawtooth voltage. (3) The elapsed time between the starting point of the sawtooth and the point where it coincides with the d-c voltage is measured by chronometric pulses. (4) These pulses are digitized by the binary counter. This converter is of an all electronic type and we obtained rather satisfactory results.

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