ASDQ ASIC[中央外部跟踪器CDF升级应用]

1998 IEEE Nuclear Science Symposium Conference Record. 1998 IEEE Nuclear Science Symposium and Medical Imaging Conference (Cat. No.98CH36255) Pub Date : 1998-11-08 DOI:10.1109/NSSMIC.1998.775180

W. Bokhari, J. Heinrich, N. Lockyer, F. Newcomer

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引用次数: 2

摘要

ASDQ ASIC为CDF升级建造的中央外部跟踪器(COT)提供了8个完整的信号处理通道。ASDQ采用特性良好、耐辐射的MAXIM SHPi模拟双极工艺制备。它优化了短测量时间(/spl ap/7 ns)，良好的双脉冲分辨率(/spl sim/20 ns)，低功耗(/spl ap/35 mW/ch)和低工作阈值(/spl sim/2-3 fC)的竞争要求。它包含一个低噪声伪差分前置放大器、离子尾补偿和多极整形器、基线恢复器、带可选线宽编码电荷测量的比较器和片上校准电路。电路的设计是基于GARFIELD模拟COT轨道和原型室对宇宙射线和Fe/sup 55/源的响应。

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The ASDQ ASIC [Central Outer Tracker CDF upgrade application]

The ASDQ ASIC provides eight channels of complete signal processing for the Central Outer Tracker (COT) being built for the CDF upgrade. The ASDQ has been fabricated using the well-characterized and radiation tolerant MAXIM SHPi analog bipolar process. It optimizes competing requirements of short measurement time (/spl ap/7 ns), good double pulse resolution (/spl sim/20 ns), low power (/spl ap/35 mW/ch) and low operational threshold (/spl sim/2-3 fC). It contains a low noise pseudo-differential preamplifier, ion tail compensation and multipole shaper, baseline restorer, comparator with an optional linear width encoded charge measurement and an on-chip calibration circuit. The design of the circuit is based on GARFIELD simulations of COT tracks and the response of a prototype chamber to cosmic rays and Fe/sup 55/ sources.

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来源期刊

1998 IEEE Nuclear Science Symposium Conference Record. 1998 IEEE Nuclear Science Symposium and Medical Imaging Conference (Cat. No.98CH36255)

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