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Portable Readout Electronics for DPGP Front-End Systems by David Watts & Nail Malakhov

This document details the development of portable readout electronics designed for the DPGP front-end systems, particularly focusing on DPGP5 hybrids and the 3DAQ readout system. Key specifications include dynamic range capabilities of up to 1pC, low threshold triggers from 15fC to 140fC, and low analogue noise levels. The readout system is compatible with various GEM designs and offers fast readout rates in serial and sparse modes. LabVIEW software is utilized for data analysis and acquisition, enabling efficient performance in particle detection applications.

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Portable Readout Electronics for DPGP Front-End Systems by David Watts & Nail Malakhov

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  1. Portable Readout Electronicsfor MPGDs David Watts Nail Malakhov Developed for Readout of DPGP Front-end Electronics

  2. DPGP Electronics DPGP5 Hybrids 3DAQ MDAQ Diode protection

  3. DPGP Electronics Electronics Characterization • DPGP Hybrids + 3DAQ QuickUSB Readout • Dynamic range : up to 1pC • Lowest threshold: • 140fC all channels trigger • 15fC single channel trigger • Analogue Noise: • 0.8fC + 0.25fC/pF or 5100e +1500e/pF

  4. Compatible GEM Designs 10x10-130-SEALED TGEM 10x10-130 TGEM (unmountable) Cylindrical GEM

  5. DPGP Readout with TGEM 18% FWHM energy resolution at 5.9keV Serial mode readout : up to 50ksps Sparse readout : up to 1Msps Sparse-w-neighbors: up to 3Msps Purely digital : up to 8Msps Labview software for analysis and acquisition

  6. DPGP Readout with TGEM Fe55 source and a Banana plug Aluminum mask with 2mm holes

  7. DPGP Readout with TGEM Crosstalk and MIP Efficiency 26% of charge “lost” in neighboring channels Efficient for 6keV but NOT for MIPs  need trim-DAC threshold adjustment

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