Linear Phase Networks With Hyperbolic Tangent Function and Their Applications |
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Authors: | Furuhata T Owashi H Takahashi H Yumde Y |
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Affiliation: | Consumer Products Research Center, Hitachi Ltd.; |
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Abstract: | This paper describes several methods to realize passive and active networks. with linear phase frequency response applicable to the video signal processing circuit especially for the FM transmission system. The methods are based on employing the hyperbolic tangent function realized by using passive LC ladder networks. They are also based on a time base conversion technique which provides the zero phase network. Using these methods, video signal processing circuits with linear phase property such as pre-emphasis and de-emphasis networks for the FM transmission TV system are introduced. |
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