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Perhaps I can help a little, comparing, say a 7904 and a TDS540 (and leaving out the 7104 series)
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Analog scope pros: even frequency response up past the scope's bandwidth limit, (think ripple of a sharp cutoff filter) relatively inexpensive without too terribly many nasty parts (that can vary!). available in 7000 series with lotsa plugins. you see everything that happens.? Analog scopes never blink. Analog scope cons: unless you have a storage scope, absolutely miserable to capture single shot and low rep-rate events. storing data from the scope can be tricky, but possible. not the latest technology (matters to some) no color displays I know of. Digital scope pros: excellent for low rep-rate single shot events within limits indefinite storage easy to get data from additional waveform metrics and measurements "latest technology" can have color displays. Digital scope cons: Internal processor makes them complicated internal processor may be difficult to upgrade, both hardware and software requires a different set of skills to repair. data not always available to repair.? Many parts obsolete or may have a limited lifetime. innards of scope remain a mystery to most (if was even available). may not be modularized (a la 7000 series), so may be less versatile if that's needed. How's that? Harvey storage scopes have a limited storage time and a limited writing rate. On 6/4/2024 9:16 PM, Radu Bogdan Dicher wrote:
Eric, |
