DL1211电流放大器Current Preamplifier
产品简介The Model 1211 Current Preamplifier was designed to provide all of the features required of a modern laboratory preamplifier. It measures current with full scale
sensitivity ranging from 10-2 to 10-12 amperes. With a dynamic range of 96dB and output stability better than 0.003% per o C or per day plus a gain stability of
0.05% per o C of per day, its performance is unexcelled.
产品规格灵敏度10-3 to 10-11 ampere/volt with nine decade current gain ranges.
增益倍增器
输出增益倍增器以3个步骤(X0.1,X1.0和X10)改变灵敏度,以获得佳动态范围和过载能力。
增益精度
± 2% of reading (10-3 to 10-9 ampere/volt ranges); ± 3% of reading (10-9 thru 10-11 ampere/volts ranges)。
输入偏移电流
50℃时小于0.5x10-13安培。25℃时通常为1×10-14。
输入电压降
低于200微伏,10-5至10-11安培/伏范围。
上升时间(低通滤波器)
面板可按1-3-10顺序从10微调节到1;小位置上升时间小于5微。
标准衰减为12分贝/八度。在反馈控制回路中应用1211时,跳线选项为6 dB/OCT。
输出. 四个输出(BNC)如下:
a)600Ω输出(2)
b)Lo-Z输出(至25mA,50Ω)
c)单位增益输出(X1)
输出水平
22Vpp进入l K负载(Lo-Z输出)
输出性单位增益(X1)非反转
Lo-Z(50Ω)反相
600Ω倒置
输出稳定性
输出电压偏移稳定性高于0.003%(每oC)
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