紀要論文 デジタルポテンショメータを使用した遠隔操作可能な可変抵抗器・コンデンサの製作と増幅回路実験での実用試験

桑田, 正行  ,  藁科, 崇

30 ( 1 )  , pp.86 - 93 , 2018-02-01 , 電気通信大学
内容記述
We are developing remote student laboratory equipment. If these facilities are in operation, students can take experimental lessons by operating laboratory equipment located in a laboratory at a remote location via a personal computer at home. In designing, manufacturing, and verification experiments of transistor amplifier circuits, which is one of the experimental tasks, students need to use elements (resistors and capacitors) having values according to their design results. Using digital potentiometers for this purpose, we produced variable resistors and variable capacitors which can remotely control the value of the elements. Applications for operating variable elements are implemented by LabVIEW development system. The bipolar transistor single stage voltage amplifier circuit assembled using prototype remotely controllable variable resistor and variable capacitor has been able to achieve the target of the assumed amplification characteristic under the conditional range limited by the performance of the prototype variable elements. Currently, we are improving the performance of prototype variable elements.
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https://uec.repo.nii.ac.jp/?action=repository_action_common_download&item_id=8590&item_no=1&attribute_id=22&file_no=1

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