产品介绍
Signal Recovery 原隶属于美国EG&G公司现隶属于美国AMETEK集团公司。是专业从事微弱信号检测、处理相关产品的制造商。其锁相放大器、光学斩波器、BOXCAR等始终处于行业的领先水平。
Signal Recovery 光斩波器能满足从简单测量到双光路互调实验等所有的光学斩波要求。
双孔径
斩波频率范围 15 Hz to 3000 Hz
外孔 150 Hz to 3000 Hz
内孔 15 Hz to 300 Hz
控制
手动 数字按钮
外部 0.5 V -10 V 正弦或方波, 150 Hz - 3000 Hz Sync In BNC 接口
内部频率
精度 ±20 ppm at 25 °C
稳定性 ±30 ppm/ °C (range -10 °C to 60 °C)
抖动(measured pk-pk and presented as a % of a full cycle)
外孔
150 to 500 Hz 斩波刀片: 0.5%; blade + electronics: 1.5%
500 to 3000 Hz 斩波刀片: 0.5%; blade + electronics: 1.0%
内孔
15 to 50 Hz 斩波刀片: 0.5%; blade + electronics: 1.5%
50 to 300 Hz 斩波刀片: 0.5%; blade + electronics: 1.0%
设置时间
7 s nominal at 1 kHz from switch-on;
9 s nominal for frequency change from 150 to 3000 Hz;
30 s nominal for frequency change from 3000 to 150 Hz
输出
Sync Out 1 10 V pk-pk squarewave at outer sector chopping frequency, 150 - 3000 Hz
Sync Out 2 10 V pk-pk squarewave at inner sector chopping frequency, 15 - 300 Hz
接口 BNC
阻抗 10 千欧
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