Re: 475 questions
Hi Barry,
That certainly looks like a neat way to handle it! I've already order the disc-shaped ones for this board. As far as I know, there isn't a similar set-up available for the 475, but I like
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ciclista41@...
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#167545
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Re: 475 questions
Hi Michael,
I had noticed that page of the manual in passing, but did not study it, as I assumed it would be following the same standard used elsewhere. Thank you for pointing out that that is not
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ciclista41@...
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#167544
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Re: 475 questions
Hi Michael,
Very good to hear that Tek has that convention, as it confirms what I thought about how these were oriented before I took them out. Experience is so very valuable when it comes to this
By
ciclista41@...
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#167543
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Re: 475 questions
Hi Graham,
I've taken several photos, particularly of the A8 board that I removed to get at the large caps. Forgot to do that with the A7 board, but I noted that the printing on the cap was facing
By
ciclista41@...
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#167542
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probe.
A quick question for the group. I have a 2465b and have found a p6139a locally in good condition. Is this probe a good match for my scope?
Dimitris Theonas
By
James Theonas
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#167541
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Re: Encouraging beginners: What are we accomplishing?
Hi John
Thanks for the reply and the very interesting story.
I feel like I know Denis Cobly from somewhere.
I did a search of my email but didn't fine anything.
Would you ask him if he recognizes my
By
Dennis Tillman W7pF
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#167540
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Re: Encouraging beginners: What are we accomplishing?
Double Yikes!
Hello Dennis,
thanks for the huge reply, I feel bad that you have spent many hours on it.
I have received your message loud and clear.
Good to know that you and Chuck are still mates,
By
John Crighton
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#167539
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Re: 475 questions
Bruce,
The chart that many people find in a Google search does not cover three band caps correctly. Refer to the TEKTRONIX manual to find the CORRECT method to decode the Tektronix marking system.
By
Mlynch001
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#167538
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Re: Encouraging beginners: What are we accomplishing?
Hi Dennis,
We're good.
In a fit of pique, I mentioned leaving, because I wasn't here to
be scolded. It wasn't that you scolded me, but rather you scolded
a topic I was involved with. And to call
By
Chuck Harris <cfharris@...>
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#167537
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Re: Encouraging beginners: What are we accomplishing?
My experience with Tektronix began far before I had a Tek scope. I was
about 11 years old and saw advertisements in Scientific American for
Tektronix oscilloscopes. I wanted a catalog to learn more
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stevenhorii
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#167536
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Re: 475 questions
Bruce,
The square pad is TEKs way of designating the positive side of any polarized device. So Yes, square pad is + side of the Capacitor. This also applies to diodes as well. Sometimes Tek will
By
Mlynch001
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#167535
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Re: 475 questions
Bruce, the + sign is unambiguous, that lead is definitely the postive lead.? The 'bent knee' lead may be the + lead but I am not aware of that as a convention so trust the markings.? Likewise the
By
VK1GVC
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#167534
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Re: Tek 4041 GPIB Controller
I found two resistors next to the keyboard header on the CPU board. One was about 130 ohms to Ground, the other was about 120 ohms to +5V.
The other end of both resistors next to the keyboard header
By
Monty McGraw
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#167533
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Re: Encouraging beginners: What are we accomplishing?
Beginners can become skilled users and restorers of any type of equipment if properly mentored. But if they are left to languish for themselves it can be a very steep hill to climb.
Before they
By
Greg Muir
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#167532
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Re: Encouraging beginners: What are we accomplishing?
YIKES!
Hi John,
I would like to make amends for anything I said to Chuck. I have known him as a contributor to TekScopes for the past 17 years. I consider myself fortunate that he has shared his
By
Dennis Tillman W7pF
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#167531
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Re: Encouraging beginners: What are we accomplishing?
Hi All:
I'm reading your posts... and I got a couple of good PMs.too.
For those lost in this long thread, if any are any... the sentence... "Encouraging beginners, what are we accomplishing." is not
By
Roy Thistle
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#167530
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Re: Encouraging beginners: What are we accomplishing?
Roy,
Usual disclaimers apply :-)
I completely understand your point of view, and I have to admit I struggle a bit as I can tell you did when you posted this message. I am not what you would call
By
Jason A.
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#167529
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Re: 475 questions
Hi Graham,
I try to treat people that way, too. After my brief adventure with C1091 and C1093, I'm doing the same with tantalum caps in this scope.
The leads on this tantalum are not symmetrical to
By
ciclista41@...
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#167528
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Re: Encouraging beginners: What are we accomplishing?
Hello Roy,
I haven't read that long thread you referred to but the answer to all your valued observations must rest with the individual, so motivated to reach out for assistance. The Tek group is
By
Steph L
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#167527
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Re: Encouraging beginners: What are we accomplishing?
It's a lot easier to fix a scope if you have a working scope. I bought a 60 MHz dual trace Dumont 1062 from Tucker in Dallas around 1990 for $300+. About a week after the 30 day warranty expired
By
Reginald Beardsley
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#167526
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