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[Tek 485] No intensity control 15 messages
Hi *, I start this new thread on the new issue seen after fixing the PSU issue from now ended topic: https://groups.io/g/TekScopes/topic/79486087 ;o) Hands back on the 485and starting from some Servic
Hi *, I start this new thread on the new issue seen after fixing the PSU issue from now ended topic: https://groups.io/g/TekScopes/topic/79486087 ;o) Hands back on the 485and starting from some Servic
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By marcosjl31@...
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Transformation TR503 into TR502 23 messages
Hello everybody, I am writing about the attempt to transform my TR503 into TR502 to use it with the SA 7L13. I started by replacing the 55 MHz crystal with a 52.5 MHz one (thanks James) and after some
Hello everybody, I am writing about the attempt to transform my TR503 into TR502 to use it with the SA 7L13. I started by replacing the 55 MHz crystal with a 52.5 MHz one (thanks James) and after some
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By Attilio
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O.T. Digital scopes versus Tek analogue. 16 messages
I have used Tektronix scopes since the 60s. They have always been the gold standard, at least as far as I am concerned. Now my old Tek scopes, I have 4, are getting old and keep requiring service. The
I have used Tektronix scopes since the 60s. They have always been the gold standard, at least as far as I am concerned. Now my old Tek scopes, I have 4, are getting old and keep requiring service. The
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By Michael
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WTB: Tek 576 and P6015A 28 messages
Hi All, I'm on a Tek buying spree! I need some gear for development projects and I'm tired of waiting for stuff to magically appear for sale. I need a 576 curve tracer. I have a few analog projects an
Hi All, I'm on a Tek buying spree! I need some gear for development projects and I'm tired of waiting for stuff to magically appear for sale. I need a 576 curve tracer. I have a few analog projects an
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By Chris Wilkson
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TDS784C Signal Path Compensation Error 13 messages
A year or so ago I bought a TDS784C that seemed to be in pristine condition except for a missing left rear foot. It powered up and worked perfectly on every signal I tried it on. I found that I rarely
A year or so ago I bought a TDS784C that seemed to be in pristine condition except for a missing left rear foot. It powered up and worked perfectly on every signal I tried it on. I found that I rarely
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By Steve Hendrix
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Seeking attenuator heads for P6032 cathode follower probe for 1S1 etc
Type P6032 is a 500MHz cathode follower probe with GR-874 output and a special four-pin power connector. It's made for the 1S1, 3S1, 3S76, and 4S1 sampling plugins. Mine was originally the full packag
Type P6032 is a 500MHz cathode follower probe with GR-874 output and a special four-pin power connector. It's made for the 1S1, 3S1, 3S76, and 4S1 sampling plugins. Mine was originally the full packag
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By Dave Wise
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Looking for P6042 current probe transformer/hall-sensor replacement instructions 11 messages
Hi, I am desperately looking for the instructions that Tek. used to attach to the P6042 probe transformer/hall assembly T1 replacement kit (050-0439-00/01). Each kit came with three selected resistors
Hi, I am desperately looking for the instructions that Tek. used to attach to the P6042 probe transformer/hall assembly T1 replacement kit (050-0439-00/01). Each kit came with three selected resistors
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By benj3867
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Tracking generator compatibility question 3 messages
Good Morning All! I have a DUMB question. Is a Tek TR503 compatible with a Tek 496 SA? I have both and have never been able to get them to play nice. It's probably me. I've got manuals, BUT I just not
Good Morning All! I have a DUMB question. Is a Tek TR503 compatible with a Tek 496 SA? I have both and have never been able to get them to play nice. It's probably me. I've got manuals, BUT I just not
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By kim.herron@sbcglobal.net
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Tek. 454 no triggering on A or B 3 messages
I have a 454 that will not trigger on A or B timebase. I bought knowing of the triggering problem. I have scoped the signal and it will not go through T670. Overhauling the unit did not help. The powe
I have a 454 that will not trigger on A or B timebase. I bought knowing of the triggering problem. I have scoped the signal and it will not go through T670. Overhauling the unit did not help. The powe
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By Mark Vincent
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7B53 and 7B92 plugins need work
I've got one of each (7B53 and 7B92 timebases) that need repair and I just don't have the time and inclination to mess with them, and don't think I will any time soon. Way too many projects including
I've got one of each (7B53 and 7B92 timebases) that need repair and I just don't have the time and inclination to mess with them, and don't think I will any time soon. Way too many projects including
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By Charles
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3T77 tunnel diodes (again) 21 messages
Down the rabbit hole again... of unobtainium tunnel diodes, that is. I couldn't get my "new" 3T77A to trigger at all. I'm actually not sure if the 3S2/3T77A/561A combo allows internal triggering or no
Down the rabbit hole again... of unobtainium tunnel diodes, that is. I couldn't get my "new" 3T77A to trigger at all. I'm actually not sure if the 3S2/3T77A/561A combo allows internal triggering or no
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By Charles
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Tektronix 606A that resists being repaired 12 messages
Hi, everyone. I've been working on a Tektronix 606A XY Display but the unit resists all my repair attempts. So, I'm reaching out to this group for suggestions and assistance. I've documented my proble
Hi, everyone. I've been working on a Tektronix 606A XY Display but the unit resists all my repair attempts. So, I'm reaching out to this group for suggestions and assistance. I've documented my proble
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By jrseattle
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549 transformer question 97 messages
I have a very nice 549 that I have owned for nearly 35 years. It worked flawlessly at first, but then began showing the infamous epoxy HV transformer potting issue. Back when it started doing this ('8
I have a very nice 549 that I have owned for nearly 35 years. It worked flawlessly at first, but then began showing the infamous epoxy HV transformer potting issue. Back when it started doing this ('8
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By Joel B Walker
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Photo 20210226_145404.jpg uploaded
#photo-notice
The following photos have been uploaded to the Sampling with 7S14 album of the TekScopes@groups.io group. 20210226_145404.jpg By: Jouko Koskinen <jouko.koskinen@...>
The following photos have been uploaded to the Sampling with 7S14 album of the TekScopes@groups.io group. 20210226_145404.jpg By: Jouko Koskinen <jouko.koskinen@...>
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By
TekScopes@groups.io Notification
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2465A CT Lessons and Leroy's Breadcrumbs 5 messages
I just resurrected a 2465A CT. I first want to express my appreciation for the threads here that were such a great help, especially Gregor's "noise on readout" adventure, I thought I would summarize m
I just resurrected a 2465A CT. I first want to express my appreciation for the threads here that were such a great help, especially Gregor's "noise on readout" adventure, I thought I would summarize m
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By Brian Nordlund
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Sampling with 7S14 7 messages
Hi all sampling gurus, I am continuing performance check of my 7S14 (B020274). Any idea how many pieces were manufactured? All the Hg cells were empty (and were leaked also). I replicated with the con
Hi all sampling gurus, I am continuing performance check of my 7S14 (B020274). Any idea how many pieces were manufactured? All the Hg cells were empty (and were leaked also). I replicated with the con
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By Jouko Koskinen
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Still TM500 extenders on ebay 2 messages
https://www.ebay.com/itm/Tektronix-TM500-extender-card-with-test-points-and-gold-edge-card-contacts/184688519484?hash=item2b004b293c:g:gp4AAOSw1m5gAv6x
https://www.ebay.com/itm/Tektronix-TM500-extender-card-with-test-points-and-gold-edge-card-contacts/184688519484?hash=item2b004b293c:g:gp4AAOSw1m5gAv6x
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By John Williams
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TG501 1NS Schottky
Hi All, My TG501 1ns output died. I suspect it's CR515, the 4V hot carrier diode at the start of the 1ns section. It's just a rare sized barrier Schottky. If I understand the circuit correctly it adds
Hi All, My TG501 1ns output died. I suspect it's CR515, the 4V hot carrier diode at the start of the 1ns section. It's just a rare sized barrier Schottky. If I understand the circuit correctly it adds
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By Rick
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Bad Focus on CRT 9 messages
First time poster here. I’ve been reading many posts and learned a lot from you guys. I got a 465B from eBay and I’m having a problem with getting the trace to focus properly. Even after checking and
First time poster here. I’ve been reading many posts and learned a lot from you guys. I got a 465B from eBay and I’m having a problem with getting the trace to focus properly. Even after checking and
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By Harvey Parent
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TEK Equipment for Free 12 messages
I hope this is an appropriate post. I have a bunch of TEK Equipment that I will never get to, but would like to see get a new home. There is no charge, but they are available only for pick up in West
I hope this is an appropriate post. I have a bunch of TEK Equipment that I will never get to, but would like to see get a new home. There is no charge, but they are available only for pick up in West
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By Ken Lemberger
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