25 Nov New Intensity control cable
A new control cable is coming soon for the Phos-4. . .
Its a BNC to P4 Connect cable that allows the intensity of the LEDs to be modulated using an a voltage source.
For example, an analogue sinusoidal voltage of ±0.5V will modulate the intensity of the from 10% to 90% of the LED drive current, with a the 3 dB frequency is at 150 kHz.
So its really useful for testing the bandwidth of a photo-detector and its amplifier.
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