Development of a QAC with dual sensitivities using a bipolar full-custom IC technology

被引:5
|
作者
Inaba, S
Takamatsu, K
Ikeda, H
Tanaka, M
Tsuru, T
Sato, K
Inaba, M
Sugonyaev, VP
机构
[1] KEK, Inst Particle & Nucl Studies, High Energy Accelerator Res Org, Tsukuba, Ibaraki 3050801, Japan
[2] Miyazaki Univ, Fac Engn, Miyazaki 8892192, Japan
[3] Protvino High Energy Phys Inst, Protvino 142284, Russia
关键词
D O I
10.1016/S0168-9002(00)00541-6
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
A charge-to-amplitude converter (QAC) has been developed using the technology of a bipolar full-custom integrated circuit (TC). The newly developed QAC has two channels with different sensitivities: a high-sensitivity QAC channel and a wide dynamic range QAC channel. The sensitivities of both QAC channels are different by a factor of four. The input current signal is converted into a voltage amplitude within the gate signal width. The output voltages of the QAC are directly proportional to the input current signal. The QAC employs a current splitter at the input stage to meet a requirement for a wide dynamic-range conversion scheme. Both QAC channels with different sensitivities have achieved a non-linearity of 0.1% (10-bit-equivalent). The equivalent dynamic range can be realized to be 13 bits. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:683 / 697
页数:15
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