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HBD electronics

HBD electronics. There is no room to do the readout electronics adjacent to the detector. Cable the amplified signals out Signal has to be driven out differential to minimized the noise pick up. The FEE could take over the current MVD rack. One could put 4 6U size crates in the rack

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HBD electronics

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  1. HBD electronics • There is no room to do the readout electronics adjacent to the detector. • Cable the amplified signals out • Signal has to be driven out differential to minimized the noise pick up. • The FEE could take over the current MVD rack. • One could put 4 6U size crates in the rack • This has to cover both FEE and trigger sections DCM Shaper ADC Buffer+ Format Trigger

  2. 16 channel example Assumptions • All commercial components • Low packing density, short lead time • You can only pack ~1000 channels into one racks • Local level 1 trigger for HBD will stay with the FEE or somewhere nearby • It is costly to send ~1000 channel of data every beam crossing into counting house. • Fiber has much less packing density than copper for short distance communications. • For the moment, I only have rough idea about the L1 trigger Amplify/shaper adc

  3. Plans • Conceptual design • 1/16 scale test – one GEM panel • Production • Trigger can be separate out from the FEE initial construction but we need to have conceptual part work out. • Prototype still need to be built • Schedule will be driven by • Finalized the detector design • the fund • available manpower

  4. Detector size • Dimensions of active area: • - in z direction |η| ≤ 0.4 : z = 45cm • - in φ direction at r = 55 cm: s = 96 cm • Segmentation: • - along the beam axis: 2 pieces • - along the azimuthal axis: 4 pieces • Total: 16 detector elements 22.5 x 24 cm2 each

  5. 3d view: detector opened

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