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Description |
- The LED.modulator is designed to modulate the intensity of the LED.laser or LED.white with an analogue signal.Signal is input via either a pair of 4mm sockets (for example from a signal generator), or a 3.5mm audio jack, for connection to an MP3 player or other audio source.A 1MHz internal generator is also available that allows direct measurement of the speed of light, when used with the LED.laser and a dual trace oscilloscope.Input selection is via a control panel, and is indicated via an LCD.A captive driver lead delivers power and signal to the light source of choice, and a BNC socket allows the output signal to be observed on an oscilloscope simultaneously.As the unit modulates the power to the light source, an extra power supply is not required simply use the LED.laser or LED.whites own plug-top supply.Note 4mm plug leads or a 3.5m plug-to-plug lead is required to connect the signal source, and a BNC plug-to-plug lead is required to view the signal on an oscilloscope.An experiment guide is included on CD.
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