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Large-Signal Frequency Response of the 3916338 Current Source Module

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Large-Signal Frequency Response of the 3916338 Current Source Module

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This ILX Lightwave Technical Note presents the bandwidth performance of the LDC-3916338 Module when applying large-signal modulation. The test set-up measured the modulation response of two separate modules at three different output levels - 1.0 A p-p, 2.0 A p-p, and 3.0 A p-p. The equipment was connected as shown in Fig. 1 with the LDC-3916338 modules operating in High-Bandwidth mode. For each output level the DC output current from the LDC-3916338 were set to 50% of the peak current level. The modulation input voltage on the function generator was adjusted to achieve 100% modulation depth.

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