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ID 15624
JaLCDOI
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28
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Author
Misaki Takayoshi
Okamoto Takuji
Kato Osamu
Abstract
In the analog circuits for the systms governed by the dilfercntial equations with the coefficients which are a function of one or mOre of the dependent variables, the magnitudes of their circuit elements must be variable in accordance with the nature of the function. Such circuit elements can be realized by means of inserting or removing the additional elements with high speed switches in the analog circuits. Particularly, in the case of varying stepwise this method is effective. But as an analog circuit is regarded as a short-time or repetitive type analyzer, the above switches must be instantaneous operation. In this paper, first, it is made sure by the experiments that some of the transistor switches arc met this condition, and moreover arc very low closed resistance, very high open resistance and neglegible small voltage offsets. Next, the basic technique for the direct analog simulation usiug transistor switches is described about the simple example, i.e. the oscillatory system with varying cross-scctional surge tank. Finally, as its applications, the transient problems of these oscillatory systems arc solved by means of these analog circuits.
Publication Title
Memoirs of the School of Engineering, Okayama University
Published Date
1968-09-01
Volume
volume3
Issue
issue1
Publisher
岡山大学工学部
Publisher Alternative
School of Engineering, Okayama University
Start Page
157
End Page
162
ISSN
0475-0071
NCID
AA00733903
Content Type
Departmental Bulletin Paper
OAI-PMH Set
岡山大学
language
英語
File Version
publisher
NAID
Eprints Journal Name
mfe