Patent
Switched-capacitor filter
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TLDR
In this article, a switched capacitor filter has at its input, a signal converter for creating so-called 100% sample and hold signals, consisting of a plurality of switched capacitors.Abstract:
A switched capacitor filter having at its input, a signal converter for creating so-called 100% sample and hold signals. The signal converter comprises a plurality of switched capacitors. The switched capacitors, connected in parallel with each other, receive the same successive input signals and supply the so-called 100% sample and hold input signals to the switched-capacitor filter. The switched capacitors, on one hand, charge each of said input signals sequentially and, on the other hand, alternately discharge the respective stored input signals one by one.read more
Citations
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Journal ArticleDOI
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Patent
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References
More filters
Patent
Sampled data filter
TL;DR: In this article, a sampled data filter is disclosed comprising a plurality of amplifiers interconnected by delay units and feedback resistors, each delay unit comprises the cascade connection of actuable switches and storage capacitors.
Patent
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TL;DR: In this article, a switched capacitor filter is designed utilizing two parallel switched capacitor charge pumps, which operate out of phase with each other, thereby allowing charging of a storage capacitor at a rate equal to twice the clock frequency, thereby decreasing incremental voltage steps during the charging of the storage capacitor.
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Slowly available coated granular fertilizer
Toshiharu Yamazaki,Katsuiki Eguchi,Minoru Takada,Hachirou Tadenuma,Nakajima Kuniharu,Teiji Yamashita +5 more
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Anti-aliasing pre-filter circuit for semiconductor charge transfer device
TL;DR: In this article, a pre-filter performs weighted averaging of signal samples taken from an input electrical signal at a suitable sampling frequency and converts the weighted average into an equivalent charge packet for input by injection into a semiconductor charge coupled device driven on the same chip by a clock of frequency F.
Journal ArticleDOI
Antialiasing inputs for charge-coupled devices
TL;DR: An input scheme for analog charge-coupled signal-processing devices has been developed that acts as a prefilter to suppress the aliasing frequencies produced by the sampled-data nature of the CCD.