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Review by tony
Posted on 28/07/2015
Its nice looking. Got to give it that. But, don't get rid of your analog scope just yet. Some applications the scope seems to work just fine. Others , well not too good. My first experience with DSO scopes and still learning much. I experiment with RF
circuits and have found aliasing to be a real drawback. Switch the scope to AUTO and you're ok. Scope displays five or ten cycles of waveform just fine. But slow the trace down and you soon run into aliasing distortions. Like using a sweep function generator to test filters for instance. All kinds of squirrely things start to happen. And at RF frequencies, the response can go completely missing. Lots of wrong deductions about your test circuit crop up. I discovered this by switching back and forth with my analog scope. I think there may be feedback between the scope input circuits and the item under test. It seems to want to lock up rf oscillators - like phase lock, and the display is unreliable. I go to the analog scope and no problem exists. The DSO could not be used to test many narrowband filters in a sweep mode. Never see the signal. Maybe its a sampling problem here that I'm not used to considering. But like I said, don't get rid of your analog scope yet.

I do like the auto measurement features that display on the screen, like volts and frequency, etc. Makes some testing go much faster. The scope does need a good clean signal for good frequency measurements tho.
SDS1052DL+ 50MHz Oscilloscope

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