Alright Twitter. Need some help buying an oscilloscope. Requirements are >2 ch and >100MHz. Been looking at a Rigol DS120B. Any reason not to buy it? Any better options?
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I have bought LA add-ons before and never used it either, so I'm shooting for 4 analog ch instead. Agree on the speed. Need to at least see 100MHz clocks with some detail. Still, DRAM and serial buses are even higher and would need another scope
Jfyi, a DS1104Z samples at 1 GS/s in single channel mode. 100 MHz is just the analog bandwidth of the front-end. So it would still give you plenty of detail on a 100 MHz clock.
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I just looked at some Rigol scopes I ordered in 2015 and one of them was a DS1104z. If that is the new and improved UI I sure as hell don't want the old one :) Will go with that one since the DS1204B and most other models were out of stock, and get a much faster (GHz?) eventually
Thanks. Twitter will use this to make your timeline better. UndoUndo
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Am I mistaken that the 100MHz clock will just look like a sine wave though, since the harmonics will be low pass filtered or of the signal?
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No. 100 MHz is the -3dB point of that low pass filter. It's not a sharp cut-off.
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