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Read-out ASIC chip for gas detector and gas detector

An ASIC chip and gas detector technology, applied in the field of gas detectors, can solve the problems of large volume, area, power consumption, and portability that cannot meet the increasingly intensive readout requirements of new gas detectors, and achieve high The effect of count rate, high time resolution and good spatial resolution

Inactive Publication Date: 2015-09-23
INST OF HIGH ENERGY PHYSICS CHINESE ACADEMY OF SCI
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Problems solved by technology

[0004] The purpose of the present invention is to provide a read-out ASIC chip for gas detectors and a gas detector. The number reaches hundreds of channels, and the occupied volume is quite large. It can no longer meet the increasingly intensive readout requirements of new gas detectors in terms of area, power consumption, and portability.

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  • Read-out ASIC chip for gas detector and gas detector

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Embodiment Construction

[0026] figure 1 Shown is a block diagram of a readout channel of the readout ASIC chip of the gas detector of the present invention, as figure 1 As shown, the readout ASIC chip of the gas detector in this embodiment includes: at least one readout channel 1 . This embodiment only takes one readout channel 1 as an example, and the readout channel 1 includes: a charge sensitive amplification module 10 , a linear discharge module 11 and a threshold time measurement module 12 .

[0027] refer to figure 1 , the charge sensitive amplification module 10 is used to receive a charge signal generated by a gas detector (not shown) from the interface 101, and amplify the charge signal. The linear discharge module 11 receives the charge signal from the charge sensitive amplification module 10, integrates the amplified charge signal, and performs linear discharge to the threshold time measurement module when the input power exceeds a certain voltage discrimination threshold. The threshold...

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Abstract

The invention discloses a read-out ASIC chip for a gas detector and a gas detector. The read-out ASIC chip for the gas detector comprises at least a read-out channel. The read-out channel comprises a charge sensitive amplifier module, a linear discharge module and an over-threshold time measurement module, wherein the charge sensitive amplifier module is used for receiving a charge signal generated by the gas detector and amplifying the charge signal; the linear discharge module is used for carrying out integration on the amplified charge signal and carrying out linear discharge; and the over-threshold time measurement module is used for receiving voltage of the discharge signal of the linear discharge module and carrying out voltage discrimination so as to obtain a pulse width of the discharge signal and a digital signal related to charge quantity of the charge signal generated by the gas detector.

Description

technical field [0001] The invention relates to the technical field of gas detectors, in particular to a readout ASIC chip for a gas detector and a gas detector. Background technique [0002] In particle detection applications in high-energy physics, Micro-Pattern Gas Detectors (MPGD for short) are widely used. Several important micro-structured gas detectors were first proposed by CERN, such as GEM (Gas Electron Multiplier) and MicroMegas (Micro Mesh Gaseous detector), and have been widely used. The world's highest energy proton has started to operate - The four large-scale experiments on the proton collider LHC: ALICE, LHCb, ATLAS, and CMS have selected microstructure gas detectors such as MicroMegas and GEM respectively to meet the higher brightness requirements after the LHC upgrade. [0003] In terms of the readout system of the gas detector, the area and scale of the detector increase, and the signal channels gradually increase. The existing electronic readout system...

Claims

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Application Information

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IPC IPC(8): G01N27/00
Inventor 王娜李怀申江晓山
Owner INST OF HIGH ENERGY PHYSICS CHINESE ACADEMY OF SCI
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