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电动光学滤波器选择器 FS-1 FS-2
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商品说明
FS-1 The DFS Driver has two modes of operation, an internal mode and an external mode. In the internal mode of operation, the filters are alternating at a 50% duty cycle and at an adjustable frequency of 0.1 Hz to 10 Hz. A monitor TTL output is available. "HI" output indicates that filter "A" is selected and "LO" indicates that filter "B" is selected. In the external mode of operation, a TTL input signal controls the filter selection. "HI" output indicates that filter "A" is selected and "LO" indicates that filter "B" is selected. The transition time from filter to filter is 40mSec. The maximum input frequency is 10 Hz. |