两个SKIROC2 芯片做的探测器PCB和原理图
SKIROC2 是一款专为高能物理实验设计的64通道前端读出ASIC芯片,主要应用于国际直线对撞机(ILC)及未来环形对撞机(CEPC)的硅-钨电磁量能器(Si-W ECAL)信号采集 。核心参数与功能
[*]通道数量:集成64路模拟输入通道,每路可独立处理电荷信号 。
[*]信号处理:内置可编程增益放大器(PA),提供快成形(用于触发)和慢成形(用于能量测量)两路输出;积分成形时间约180ns 。
[*]数据存储:每通道配备15深度的模拟存储阵列(SCA),可在触发后存储多个事例的幅度和时间信息,支持多事例采集 。
[*]噪声性能:等效输入噪声最低可达0.15 MIP(约0.4 fC),动态范围覆盖0~+10 pC 。
[*]功耗控制:支持电源脉冲供电(Power Pulsing)技术,仅在束流到达时工作,空闲时断电,大幅降低平均功耗以适应对撞机束流结构 。
应用场景该芯片由法国OMEGA微电子中心开发,主要服务于ILD探测器等高精度粒子物理实验,用于读取硅光电二极管或硅PIN阵列产生的微弱信号,是实现高粒度量能器成像的关键组件 。后续版本包括改进型的SKIROC2A
REFDESCOMP_DEVICE_TYPECOMP_VALUESYM_NAME
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D20SI_PINDETECTOR_S5980_S5980S5980S5980
D37LED_SD0805_GREENGreenSD0805
J1SMA_0_SMA_PLATED_SMA_PLATEDSMA_PlatedSMA_PLATED
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J5SMA_0_SMA_PLATED_SMA_PLATEDSMA_PlatedSMA_PLATED
J6SMA_0_SMA_PLATED_SMA_PLATEDSMA_PlatedSMA_PLATED
J7SMA_0_SMA_PLATED_SMA_PLATEDSMA_PlatedSMA_PLATED
J8SMA_0_SMA_PLATED_SMA_PLATEDSMA_PlatedSMA_PLATED
J9SMA_0_SMA_PLATED_SMA_PLATEDSMA_PlatedSMA_PLATED
J10CONN_1_154744-ERNI_CONNCONN154744-ERNI
J114HEADER_SIP-4P-156_POWER INPowerInSIP-4P-156
J12CONN_1_154744-ERNI_CONNCONN154744-ERNI
J13SMA_0_SMA_PLATED_SMA_PLATEDSMA_PlatedSMA_PLATED
J142MM_HOLE_2MM_HOLE_2MM_HOLE2mm_Hole2MM_HOLE
J152MM_HOLE_2MM_HOLE_2MM_HOLE2mm_Hole2MM_HOLE
J162MM_HOLE_2MM_HOLE_2MM_HOLE2mm_Hole2MM_HOLE
J172MM_HOLE_2MM_HOLE_2MM_HOLE2mm_Hole2MM_HOLE
J182MM_HOLE_2MM_HOLE_2MM_HOLE2mm_Hole2MM_HOLE
J192MM_HOLE_2MM_HOLE_2MM_HOLE2mm_Hole2MM_HOLE
L1INDUCTOR_XAL4020_FERRITEFerriteXAL4020
U1AD7944BCPZ_AD7944_VALUEValueAD7944
U2AD7944BCPZ_AD7944_VALUEValueAD7944
U3SKIROC2_SKIROC2_(S1+S2+S3+S4+S5SKIROC2SKIROC2
U10SKIROC2_SKIROC2_(S1+S2+S3+S4+S5SKIROC2SKIROC2
U11TLV5618_TLV5618_D_DFP_TLV5618AMTLV5618AMTLV5618_D_DFP
U12ADG741_3_SOT65P210X110-5N_ADG74ADG741SOT65P210X110-5N
U13LM6142_LM6142_DFP_LM6142AMJ-QMLLM6142AMJ-QMLLM6142_DFP
U14REF3212_DBV6_REF3212REF3212DBV6
U49S8650_S8650_S8650S8650S8650
U50S8650_S8650_S8650S8650S8650
U51TPS7A85_TPS7A85_TPS7A85TPS7A85TPS7A85
U52TPS7A85_TPS7A85_TPS7A85TPS7A85TPS7A85
U53TPS7A85_TPS7A85_TPS7A85TPS7A85TPS7A85
U54TPS7A85_TPS7A85_TPS7A85TPS7A85TPS7A85
U55C11204-01_C11204_01_C11204-01C11204-01C11204_01
U56LM94021_MAA05A_LM94021LM94021MAA05A
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