| Electronics > Beginners |
| looking at a waveform on a scope |
| (1/2) > >> |
| m3vuv:
Just thought id ask this here,i was trying to look at a 20mhz sine wave on my tek 453 no matter what timebase it was on the waveform is way to squashed on the screen to have any chance to count the divisions between wave peaks,its a 50mhz bw scope,how do others manage it?. |
| ataradov:
Well, yes, with 0.1 ms/Div you won't see much. You need a better scope to observe signals this fast. That's how others deal with that. |
| m3vuv:
my scope timebase goes down to 1 micro second per division. |
| 0culus:
Uh yeah, the 453 should not have any problems displaying a 20 MHz sinusoid. This scope is certainly worth troubleshooting OP. There's lots of folks both here and at the TekScopes list who will be able to help if you run into problems. :-+ |
| ataradov:
TekWiki said 0.1 ms/Div, my bad. At 0.1 us/Div you should see 2 periods per division. So if you don't see that, something is wrong. Try with slower signals and see if whatever you observe matches the time base setting. |
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