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any other sub for TEK 2235 CRT (154-0861-00)?
Well it looks like at least short term, there's not an exact replacement tube available to replace this bad tube. Any other 100 mhz tube work in this scope, or is it pretty unique? Thanks Peter
By Peter Florance · #443 ·
Re: Thanks Phil and Stan for your help.
Your welcome - I think. I can't remember what I helped with. Am I the right Phil ? Phil
By Phil (VA3UX) <phil@...> · #442 ·
Thanks Phil and Stan for your help.
By fitelind@... · #441 ·
Re: Cross for Part#151-1005-00 fet ,Thanks.
The generic part umber for a Tek 151-1005-00 is 2N4303. You can find this sort of information on our web page at the following
By Stan or Patricia Griffiths <w7ni@...> · #440 ·
Cross for Part#151-1005-00 fet ,Thanks.
By fitelind@... · #439 ·
Re: Power Supply Cap help.
Sub any current production electrolytic with the same (or very similar) specs. Phil
By Phil (VA3UX) <phil@...> · #438 ·
Power Supply Cap help.
Looking for a 3000uf 50volt Elect. #290-0509-00 cap. Can I sub anything? Thanks
By fitelind@... · #437 ·
Re: Tek tubes for sale 154-0630-10 & 154-0566-00
Yes, please send his name and e-mail Peter. I lost touch with a guy - I think his name was Nick - that had a bunch of Tek crt's. Maybe it's the same guy. Thanks....Phil
By Phil (VA3UX) <phil@...> · #436 ·
Tek tubes for sale 154-0630-10 & 154-0566-00
A couple of you asked about parts. the guy with the old Tek parts has a couple of tubes (not the one I need of course) for sale. AFAIK, these were taken out of scopes that had traces. Email me if
By Peter Florance · #435 ·
Re: 2235 Bad CRT
Who is the "he" referred to here,.... have an e-mail address? Thanks. Chuck
By candmmiles6102@... · #434 ·
Re: 2235 Bad CRT
I you (or anyone else interested) will email me privately, I'll reply with his phone number. He's internet challenged.... Thanks Peter Florance audserv@... a of seller?
By Peter Florance · #433 ·
Re: 2235 Bad CRT
I may be looking for parts, is there a link or email for this seller? Jim
By james89es@... · #432 ·
Re: 2235 Bad CRT
If it is CRT that you are looking for, following web site lists few: http://www.reprise.com/host/tektronix/resources/crt_sources.asp <http://www.reprise.com/host/tektronix/resources/crt_sources.asp>
By Miroslav Pokorni <mpokorni@...> · #431 ·
Re: 2235 Bad CRT
It's a bit of a long shot, but try Tucker Electronics (http://www.tucker.com). They occasionally sell replacement CRTs for Tek and HP instruments. -- jm
By John Miles <jmiles@...> · #430 ·
Re: 2235 Bad CRT
Looking at your auction link then trying the same on this scope with sine wave gave me the answer. the 2 scopes are wounded cousins.... Seller is trying to find a tube. I'd like to keep it as it's
By Peter Florance · #429 ·
Re: 2235 Bad CRT
John Miles wrote: Ah.. RTP in
By Ashton Brown <ashtonb@...> · #428 ·
Re: 2235 Bad CRT
The key point is that damage to the mu-metal shield will NOT cause a magnetic anomaly to appear on the screen -- it will only impair the shield's ability to keep external fields out. If your visual
By John Miles <jmiles@...> · #427 ·
Re: 2235 Bad CRT
I'm not at all sure how many ergs you have to transmit locally; I recall that we deemed the smaller ones - used around photomultiplier tubes - to be "rather fragile" = not to be dropped on floor
By Ashton Brown <ashtonb@...> · #426 ·
Tek 585
Thanks to all which replied to my inquiry on the "auto-trigger" problem with Tek 585. There seems to be no logical technical reason for that. Urs
By Urs Suter <urs-j.suter@...> · #425 ·
Re: 2235 Bad CRT
I do not claim to know it as a fact, but it seems to me that a blow that would upset crystal lattice of Mu metal, i.e. wreck annealing, would break a lot of other components, too. Having a magnet do
By Miroslav Pokorni <mpokorni@...> · #424 ·