Lightwave Communications LDX-3232 User Manual download pdf (Page 104)

FUNCTIONS AND FEATURES

Modulating the Laser Current Source

88 LDX-3232

CHAPTER 5

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To disable the output, press the OUTPUT push button again. When the LDX-3232

current output is off, an internal short is placed across the output. This short will

prevent the modulation signal from reaching the LED in our example experiment.

Thus, it is safe to disconnect the test device (LED) when the LDX-3232's output is

off, regardless of the presence of the modulation signal.

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Lightwave Communications LDX-3232 User Manual Page 104