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Please explain scope delay lines?

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ebastler:

--- Quote from: CatalinaWOW on November 09, 2023, 10:09:29 pm ---Modern DSOs with deep memory can make this ability to see the precursors to a triggering event seem nearly infinite.  Before the DSO became practical the delay line gave a window into this world,

--- End quote ---

Travelling back in time, kind of. Cool, eh?   8)

Much to my chagrin I couldn't afford such a fancy CRO as a student. My modest 20 MHz Hitachi could (and still can) only show what came after the trigger...

CatalinaWOW:

--- Quote from: ebastler on November 09, 2023, 10:16:52 pm ---
--- Quote from: CatalinaWOW on November 09, 2023, 10:09:29 pm ---Modern DSOs with deep memory can make this ability to see the precursors to a triggering event seem nearly infinite.  Before the DSO became practical the delay line gave a window into this world,

--- End quote ---

Travelling back in time, kind of. Cool, eh?   8)

Much to my chagrin I couldn't afford such a fancy CRO as a student. My modest 20 MHz Hitachi could (and still can) only show what came after the trigger...

--- End quote ---

Same here.  And same at home for quite a while after joining the workforce.  But at work we had the good stuff.  Storage scopes and Polaroid cameras.

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