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| Bandwidth check of my oscilloscope with simple means ? |
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| Fungus:
--- Quote from: tggzzz on December 11, 2020, 10:38:26 am ---What did you do with the capacitor? --- End quote --- I stuck it into the +5V and GND pins as a place to clip the probe onto. :) (no software needed!) The Arduino was the closest thing I had to a power supply on the table. |
| Fungus:
Maybe the simplest method of all is simply to believe what a reputable manufacturer prints on the front of the device. (nb. it'll be a bit more than the labelled value - because they want to be sure...) |
| Fungus:
I'd be interested to see what people can get using this cowboy technique on higher bandwidth scopes. :popcorn: |
| Elasia:
Someone needs to stay out of the special candies... Case in point to not always go by what the mfg says... Siglent SDS2100x+.. can ONLY be legitimately raised to 350MHz but actually has a front end on all units that goes to 500MHz+, typically -3db of around 580-620MHz. The best way to measure just the scope itself is to get one of leo's pulse gens you can directly attach and once you have a reference you can then attach your probes and see what they are rated for. You can also check things like bnc cables... half the time people dont know just how horrible they are. On the other hand most of this is moot if you are dealing with 100MHz and lower |
| Fungus:
--- Quote from: Elasia on December 11, 2020, 12:26:42 pm ---The best way to measure just the scope itself is to get one of leo's pulse gens ... --- End quote --- Sure, we all know what the best way is but OP wants "simple means". (and his 'scope is 100Mhz) --- Quote from: Elasia on December 11, 2020, 12:26:42 pm ---Someone needs to stay out of the special candies... --- End quote --- It worked, didn't it? :-// |
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