Tek 2445B Focus Problem
Hi everyone, this is my first post in this group, maybe someone can help? I bought a Tektronix 2445B (same as a 2465B except bandwith), Serial below 050000, so it has the old-style A5 board without
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peteq1@...
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#145296
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2465 Question
Hello everyone, I'm new to this group and hope to learn from your discussions. I am learning electronics via books, YouTube, and hands on experimentation. Perhaps a class at a local college in the
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rjv100mailbox-public@...
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#145295
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SG505 THD issues
I've owned two SG505s for several years and never really achieved the specified performance from either of them. #1 has .0030% THD into AA501 unfiltered at 0dBm 1KHz. It improves to .0020% with
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EJP
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#145294
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Re: What calibration items to buy.
Im looking at an agilent 33220a for timebase calibration? and a tek attenuator set off of the auction site.Thank you for the link to the pulser.
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Brendan
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#145293
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Re: What calibration items to buy.
Brian, An ideal cal package is the one I have (all TM500 plugins)TG501 time mark gen SG503 leveled sig gen up to 250 MHzPG506 Standard amplitude generator + fast-rise output pulse Beware of the SG504
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HankC, Boston, WA1HOS
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#145292
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Re: Tekmate floppy setup problem.
Hi Szabolcs... It may be a long shot but, have you considered that the very first disk, or one of the first that you tried, could have been contaminated by fungae, mold, etc... And that it could have
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Fabio Trevisan
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#145291
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Re: How to Use this Forum ..... ????
Thanks for all the responses ... some via PM .... I now have a couple of solutions to suit my needs. Cheers, Ian
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tinkera123
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#145290
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Re: How to Use this Forum ..... ????
If you get messages via e-mail the address of the original poster is included in the header. Some add their e-mail address to their signature (as I do). One has only to copy that address and paste it
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Richard Knoppow
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#145289
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Re: How to Use this Forum ..... ????
Both of these are extremely easy on groups.io: 1. Starting from the message page or topic page, click on Reply, then Private. 2. Go to the topic page, then save the URL (or just print the page to PDF
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David DiGiacomo
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#145288
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Re: Right / Best way to rename a topic
Thanks Chuck and David (Partridge), You both share the same opinion (That I better not change the subject of an existing thread) so I`ll follow. Rgrds, Fabio 2018-03-05 12:06 GMT-03:00 Chuck Harris
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Fabio Trevisan
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#145287
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Re: Can I install a 2465B motherboard in a 2445B chassis? What will I get?
On Mon, 5 Mar 2018, David Thomas wrote: No upside/downside -- as somebody already mentioned firmware is the same between 2445B and 2465B and it learns what it is running on by checking jumpers/straps
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Sergey Kubushyn
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#145286
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Re: Can I install a 2465B motherboard in a 2445B chassis? What will I get?
...so what would be the downside to installing a 2465 A5 ROM in a 2445?? Do you think it might be capable of those extended sweep rates? Any other pro's \ cons? I have a 2445 which might thank me for
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David Thomas
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#145285
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Re: Tek 547 A Sweep display during retrace
Thank you, Chris, for your kind gift of a Siemens?AF118 transistor for testing. At least in the Q373?position*, your sample AF118 performed like a 2N2207.? I saw 60ns delay and 25ns rise vs
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Dave Wise
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#145284
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Heathkit EU-81A
I picked up a Heathkit EU-81A Function Generator at the Russelville, AR Hamfest Saturday, it works OK but only has a "partial" manual without any schematic. The only manual I can find on the Internet
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Leon Robinson
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#145283
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Re: TekScope PDFs
Just to tag on to Fabio's recommendations I'll add that if you can't find what you want there are several people who sell manuals on ebay.? And, Dave at Artek
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[email protected]
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#145282
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Re: TekScope PDFs
Hello Gary, Desirable as it is, I don't think there's such one place... Assuming that you're not familiar with... There's the "TekWiki" website, kindly run and maintained by one of the members - Kurt
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Fabio Trevisan
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#145281
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Re: Right / Best way to rename a topic
There really is only one way to rename a topic, and that is to change what is in the Subject box. The problem with renaming a topic, is that all previous posts, and all replies to previous posts, keep
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Chuck Harris <cfharris@...>
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#145280
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Re: Right / Best way to rename a topic
Please don't EVER do that, it messes up thread based readers! Please start a completely new topic (i.e. don't reply to an existing topic and change the subject in your mail client). David
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David C. Partridge
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#145279
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Re: Tekmate floppy setup problem.
Hi, Thanks, but I doubt it. I have tried a number of disks, even one from an original packaging. I'm able to use them in a notebook. The imteresting thing is that if I try to format them in in the
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Szabolcs Szigeti
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#145278
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Right / Best way to rename a topic
Hello Folks, My last topic was about the Tek 7623A I was prospecting to purchase. Well, it's purchased already and I even started discussing its problems and getting replies... So I would like to
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Fabio Trevisan
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#145277
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