前置放大器TK-142A,142B,142C前放型号:TK-142A,142B,142CPreamplifier前放输入信号极性:正或负输出:能量信号E口和定时信号T口所需电源:142A +24V/20mA,-24V/10mA,+12V/15mA,-12V/15mA142B +24V/40mA,-24V/10mA,+12V/15mA,-12V/15mA142C +24V/40mA,-24V/10mA,+12V/15mA,-12V/15mA噪声型号探测器电容pF最大噪声(keV)(Si)142A01.60142A1003.40142B1003.20142B100019.0142C4007.20142C100014.50142C200027.00积分非线性:≤±0.03%(0-±7V,开环)或±3.5V(93?终端电阻)温度稳定性:142A ≤±50ppm/℃ (0-50℃)142B ≤±100ppm /℃ (0-50℃)142C ≤±200ppm /℃ (0-50℃)开环增益142A 40,000142B 80,000142C 80,000电荷灵敏度142A 45mV/MeV142B 20mV/MeV142C 20mV/MeV能量范围142A 0-200MeV142B 0-400MeV142C 0-400/MeVE2CRP142A 1.5×107MeV2/s142B 3×107MeV2/s142C 3×107MeV2/s上升时间(0到0.5V,能量输出口,93?负载)142A 5ns(0pF),12ns(100pF)142B 5ns(100pF),25ns(1000pF)142C 11ns(400pF),20ns(1000pF)衰减时间(标称值)142A 500μs142B 1000μs142C 1000μs建议输入电容范围142A 0~100pF142B 100~400pF142C 400~1000pF探测器最大偏压 ±1000V
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