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24 März 2011 Jacobus van Hoorne The Incredible Power of a FIR Filter Die wunderbare Welt der Elektronik

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The Incredible Power of a FIR Filter Belle II SVD Readout Chain Cable has frequency dependent transfer function Reflexions occur whenever line impedance changes Problems: 2Jacobus van Hoorne24 März 2011

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The Incredible Power of a FIR Filter APV25 Output (idle) Without Filter Cable transfer function Small positive reflection Optimized channelNon-optimized channel Cable transfer function Big negative reflection 3Jacobus van Hoorne24 März 2011

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The Incredible Power of a FIR Filter Firmware implementation (using APVDAQ 6U VME board) Optimized channel: APV25 Output without/with FIR8 filter Without FIRWith firmware FIR 4Jacobus van Hoorne24 März 2011

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The Incredible Power of a FIR Filter FIR filter even works for non-optimized channels! No need to worry about termination anymore Surprise Without FIRWith firmware FIR 5Jacobus van Hoorne24 März 2011

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