Cross-strip HPGe Imaging Detector – Processing Electronics for Operation at 10^6 cps

We describe the development of an HPGe cross-strip detector with energy resolution intended for mouse heart imaging. The detector is designed with 2 mm wide strips, but is intended to achieve 300 mum spatial resolution by processing spectator strip signals. We review the design requirements that this implies and then describe in detail the 16 channel, 12 bit, 100 MHz digital spectroscopy module that we have developed to achieve these goals.
Related Articles
Network Time Synchronization of the Readout Electronics for a New Radioactive Gas Detection System
In systems with multiple radiation detectors, time synchronization of the data collected from different detectors is essential to reconstruct multidetector events such as scattering and coincidences. In cases where the number of detectors exceeds the readout channels...
Electronics Upgrades to the Green Is Clean Phoswich Detector Systems and Programmatic Implementation at LANL – Phase II Completion – 18403
Los Alamos National Laboratory (LANL) radiological facilities produce low-density room trash that, in many cases, is not contaminated with radioactivity. It has been estimated that 50 to 90% of low-density room trash is free of radioactive contamination and eligible...
New Algorithms for Improved Digital Pulse Arrival Timing With Sub-GSps ADCs
The ability to measure pulse times of arrival with resolutions at or below 100 ps is becoming increasingly desirable in various fields, typically for signals originating from photon detectors such as photomultiplier tubes (PMTs) or silicon photo-multipliers. Achieving...