FILTER CONTROL DEVICE

내용없음 Filter adjustment apparatus for adjusting cut-off frequencies or dip frequencies, for example, may be adjusted to desired optimum properties, during application of an input signal of a constant frequency. The optimum filter adjustment data are found, based on data manifested when the level dete...

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Bibliographic Details
Main Authors HASIMOTO, FUMIHARU, KUME, TSUTOMU, YAMAZAKI, NOBUO, YAMAMOTO, YOSHIHIRO, OYA, KOICHI
Format Patent
LanguageEnglish
Korean
Published 22.05.1996
Edition6
Subjects
BASIC ELECTRONIC CIRCUITRY
CONTROL OF AMPLIFICATION
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
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Summary:내용없음 Filter adjustment apparatus for adjusting cut-off frequencies or dip frequencies, for example, may be adjusted to desired optimum properties, during application of an input signal of a constant frequency. The optimum filter adjustment data are found, based on data manifested when the level detected output of the filter (2) output crosses a prescribed reference level (Vref) whereby the filter adjustment operation is simplified and accuracy is improved with a simplified structure, and it is possible to achieve automatic adjustment of the filter characteristics.
Bibliography:Application Number: KR19870014043