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Hi Nick, I watched your video https://www.youtube.com/watch?v=o7OC9Qm7inE and again some earlier videos and photos. As far as I can see your calibrator is OK in analog mode? Photo _MG_2320 in

Hi everybody! I've managed to connect my DPO to a modern PC - here is a video of the working system: https://youtu.be/ki-5oDWhn4g This is the overlay-card I'm using:

Ah, I meant Hi Paul (not Nick) in my previous message. Albert.

Hi Nick, My 7854 is an earlier version. Strange, if that makes any difference I would expect the newer version to have a faster sampling rate. Albert

Alright, sorry for the quality I had it on the bench rather than in a rack so my angle is quite bad (looking down from the top) but, I have a video of the behavior! Video:

Dennis, I’m very thankful for this online community, especially now. I miss Stan, one of the originals. Thank you! George

It seems like my issue might be thermal related. When it cold starts (everything is at room temperature) it almost always is missing parts of the digital waveform, but if I set it to AQR (and since

Oh and you might want an extender cable too, for when you need to repair it (and you will). I recommend you read the circuit description of the manual and study the schematics. Use this PDF

Albert - Yep, those are the steps I'm following. Oddly though, my 0.5ms/div works as reported at 512 P/W, and fails gracefully as described at 0.2ms/div, but at 1024 P/W, it works at 2ms/div & fails

I believe it, Harvey.? A former coworker had experimented with tubes, and he said that while you can run the filaments from A.C., try D.C. for audio; you'll like it.Jim Ford?Sent from my Verizon,

I once had a Heathkit OM3, which had a horrible hum problem (eventually).? I solved it by running the filaments off DC.? If you ever have that problem, I can suggest it.? The IO-14 was billed as a

Thanks Thomas, Happy to swap my HP1740A for a Tek!

Hi Garth, I'm in Canberra (Oz). Some US sellers won't ship to Oz, a few charge ridiculous shipping of US$400 to 500, which is where they hope to profit! A Heathkit IO-14 from USA is costing me US$50

Thanks for the mention Dennis and your efforts as a moderator. I've really enjoyed being a member of this group and look forward to the daily digest I receive. The knowledge and helpfulness of the

Charlie, Well, I have SCSI adapters galore, and an operating PC running Windows 98, necessary for operation of a legacy DSP analyzer (PC bus hardware). So, I have a system that could PROBABLY work

It only uses SCSI. At the bottom of the WIKI here is a link to guy who has sorted out the OS issues and fixes for them. It is a mixed bag but free is a very good price. It has basically the same

Looks like an interesting bit of hardware. Does it use all three interfaces to communicate with the PC (as listed in the wiki)? or just the SCSI: " Adaptec ASPI SCSI driver is required for the

Double checked, followed the foil, Channel 2 is definitely on pin 1. I got the power

I just found one, maybe two, complete TWD120's while unpacking after a move. These had been missing for years. These are 100 Mhz 2channel Digital Storage Digitizers originally made for GE medical.

Hmmm. Mine shows I joined 09/30/03 (Account -> Identity - Account Profile). I must've been a lurker for a while. Thanks, Barry - N4BUQ