(Topic ID: 221615)

Oscilloscopes and Pinball

By oldschoolbob

5 years ago


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  • 49 posts
  • 11 Pinsiders participating
  • Latest reply 5 years ago by barakandl
  • Topic is favorited by 8 Pinsiders

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    #9 5 years ago

    Hey oldschoolbob, interesting thread! You inspired me to crank up my old oscilloscope (Tektronix 5440) and mess around with it. I don't have a passive probe so I kinda had to wing it to make sure the oscope works. It does! So, now I'm trying to figure out how to get my hands on a probe. Looking to buy or build a P6028 probe. A few old ones out there on ebay, but I am also reading that you can make one. BNC connector, 1Mohm, 24pF. Spec sheet says it is 33mhz, x1, 600v passive. I found a couple of videos on making your own probe and it looks not too difficult. Anyone have suggestions on how I can get this done? (need resistors, etc.)
    Thanks!
    (Don't mean to hijack your thread but I'm eager to learn about oscopes as well.)

    #11 5 years ago

    I would get one if I could find one at 33mhz specification. I have not found one of them yet. And from what I read at Tektronix, they are not interchangeable.

    #17 5 years ago
    Quoted from CactusJack:

    I could obviously be wrong but I would expect that the 100MHz will work just fine.
    Every few of my scopes were rated at 100Mhz and I have always purchased 100's as replacements.

    I found an adjustable probe that I think will work for me and the old oscope that may just be older than me!
    https://www.digikey.com/product-detail/en/digilent-inc/460-004/1286-1075-ND/4840870

    Thanks for the input!

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