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Picoscope 6404C limited to 1,25 GS/s for 2 channels?

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Picoscope 6404C limited to 1,25 GS/s for 2 channels?

Postby Picoscope0815 » Wed Jan 18, 2017 9:40 am

Hi all,

according to the data sheet the Picoscope 6404C has a maximum sampling rate of 5 GS/s for 1 channel and 2.5 GS/s for 2 channels usage.
Using the SDK with a modified Picoscope6000ExampleBlock program (Labview) I obtain an error 'invalid timebase' when only channel A and B is activated and the timebase is set to 1 (=0.4ns resolution =2.5 GS/s). It works fine for timebases >=2 or for 1 channel with any timebase.
How can that be?
Thanks for your help!
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Re: Picoscope 6404C limited to 1,25 GS/s for 2 channels?

Postby Martyn » Thu Jan 19, 2017 7:05 am

You need to select (A or B) and (C or D) for the 2 channels to get 2.5GS/s
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Re: Picoscope 6404C limited to 1,25 GS/s for 2 channels?

Postby Picoscope0815 » Thu Jan 19, 2017 8:46 am

Ah thanks! I misread that in the data sheet.
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