latot
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latot reacted to attila in Analog Discovery 2, Waveform Generator Resistance
Hi @latot
There should be one ground, the external circuit/device GND should be the same as the AD2 GND and this is connected to the computer via the USB cable.
The Wavegen output is protected for shorting it the ground, to the other Wavegen or to the device's +/-5V supplies.
I've just measured the short to ground current of +55mA and -45mA, with slightly higher peak (~65mA) until the PTC kicks in.
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latot got a reaction from attila in Analog Discovery 2 is affected by the notebook that we use
awww, there is no contact or resistance, like is not connected u.u
Put a ground connector in the note and my hand helps to reduce the interference.
