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Published byReynard Daniels Modified over 8 years ago
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Flex Cable Readout unit Si Sensor 256 analog lines Interconnect board NCC signal packaging concept PA board -This is the calorimeter – all pads in the subtower are contributing to signal; -Noise budget is set by physics: better is an enemy of the good;
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Requirements Tower / individual readout Minimal signal – 10 (1) mips Noise (48000e / 15000e) Speed – 300 ns (peak time 150ns) Mip/bit -10 000 /12 Individual channel / summator Maximal signal 40pC Consumption Protection Switching Open loop gain
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One cell FEE chip Track&hold (peak detector)
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FEE chip (tower) Charge Sensitive Amplifier Test (calibration) circuitry Shaper Track&Hold (Peak Detector) Driver
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Trieste CSA
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Charge sensitive amplifier Cd Ub Uin Uout Ch Cl
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Summator Ub Ch Cl
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Summator Charge Sensitive Amplifier Test (calibration) circuitry Shaper Track&Hold (Peak Detector) DriverCharge Sensitive Amplifier Test (calibration) circuitry Shaper Track&Hold (Peak Detector) Driver
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G10 PCB 5-7 layers Read-Out Chip SILICON SENSOR Poliimide Film 2.5
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