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GPIB doesn't have the concept of a "connection". Each device sets its own address, sometimes via DIP switches, sometimes, via front panel commands, etc., but that instrument "knows" its own address.

The address is selected in the scope (like most other instruments) and you don't have to reboot if you change it. If you have National Instruments GPIB hardware you can try and play with this

Apologies for the gravedig, but does anyone have this pinout for the J40 Debug port to Option 13 adapter? Seems the Tek website links no longer work... I'm currently designing a USB debug adapter and

Wolfgang the original Tektronix relays can often be reworked, eg exercise contacts or clean with Iso alcohol, contact cleaner and paper strip. See threads years ago Jon

Thank you, Harvey. If I understand correctly, you're saying that the # GPIB connection may "port" another, "hot swapped" instrument to the same # GPIB? I got impatient after posting this and thought

The 488 bus is an addressed bus, which means recognizing an address on a bus and having something respond (think I2C for an example). So when you hot swap instruments, assuming that you don't glitch

I recently acquired a PG502 from Tek surplus (aka Country Store) and found several setting to be intermittent. Expecting that a good cleaning would be in order, I was astonished to find that cam

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Hi all, As I'm exploring GPIB in my environment on multiple instruments, a newbee question - is GPIB essentially hot swappable? Differently put, can I typically just hook it up to an instrument

Hello everyone, its been a while since my last post. There were a lot of things which kept me from posting an update. Nevertheless, I finally managed to do some measurements of my relay

Wamor, If you see the service manual, there is an annotation: "Version ID resistor placement: place U4 & R12-R17 only on boards that have exceeded the ID number 11110XXX. In this case, the version

Hello all, I have upgraded my TDS620 scope to display 4 (=>TDS640) by reconfiguring the acquisition board resistors. The scope is reporting to be a TDS640 and the channels are visible and

Hi Peter, No problem, your are not encouraging me. This only gives me more energy to sort this out. Could you give me the ID to set with U3 for the TDS640 which you have in your table? And maybe also

Bob, Yes, thank you. I see that I concluded that it doesn't have sections 8 and 9 because I was looking at the end of the PDF, which are the Change Information pages. I do see the duplicate

Hi Wamor, As far as I see the IDs on my boards, in my table, and your ID, the ID refers to something else. TDS520,TDS540,TDS620 use the same ID. Sorry to be encouraging. Maybe, H?kan is right. The

The copy I look at came from this link: https://w140.com/tekwiki/images/0/0a/070-5880-00.pdf Part No. 070-5880-00 MANUAL Product Group No. 42 First Printing May 1986 It has what I assume is section

I don't see any duplicate pages in the TekWiki copy of the 7934 manual. Also, the May 1986 PDF ends with section 7. My copy (Aug 1987) has sections 8 and 9. I'm a bit confused. It would be helpful

Thanks. DaveD KC0WJN cox.net@groups.io> wrote:

Pages 459 - 467 Bob

Could you send to me the logical PDF page numbers of the pages to which you refer? Thanks. DaveD KC0WJN cox.net@groups.io> wrote: