Undecided 465M
Grettings All!
I have a 465M that just cannot decide whether it wants to be on or off. It powers up fine (with a crispy trace!), then the power LED blinks with no kind of timing at all. As this is
By
Darrin Conniff <djconniff@...>
·
#7176
·
|
211 Batt Powered Scope Question
Tektronics CRT V300 Pn: 154-0642-00
Any suggestions with testing the CRT? The problem that I can see is a circuit by the name of the " Grid Bias Circuit". It supplies
the voltage to the CRT grid
By
Marvin Ross <marvin.ross@...>
·
#7175
·
|
Help with a 7L12 problem
Is there someone here that can help me with a 7L12 that has suddenly lost sensitivity by about 50 dB? The problem seemed erratic
at first. A couple times when I first turned it on it worked OKat
By
Michael Goode - one of many <mgoode@...>
·
#7174
·
|
Sticky Buttons
Working on a DM5010 multimeter it has a bunch of little square button
switches on the front panel, a few are sticky, should I try and clean
them or lubricate them ? And how with what ? I have it
By
jdpetrzelka <j.petrzelka@...>
·
#7173
·
|
Current Probes
Gentlemen-
I've acquired an AM503 and am looking for a compatible current probe (DC to 5+MHZ) to use with it. Is anyone aware of a listing of probes or have a recommendation of acceptable models?
By
sittners
·
#7171
·
|
Re: (DC) Current Probes
Is this really an all-male list? Bummer.
Excerpt from my list @ http://www.slack.com/david/temodel.html :
Tektronix A6302 DC current probe 50MHz 20A
Tektronix A6302XL DC current probe 17MHz
By
david@...
·
#7172
·
|
Re: 475 focus pot needed
Hi all!
1/2 drop of lubricant on the shaft instantly solved the problem. Pot turns perfectly now --like new. Thanks to each of you who suggested less drastic measures than replacement.
Steve
By
info@...
·
#7169
·
|
Re: CRT Wanted
Darrin
If you don't manage to find a 0861 CRT then in most cases you can use a
0731 tube from a 465/465B/468 which is more likely to be available. However
there are a couple of caveats -
-The 0731
By
benclarke_uk
·
#7170
·
|
Re: 475 focus pot needed
A renewed search of my Digikey catalog has part number 381N505-ND. ($13.35). This is a Clarostat 1 Watt conductive plastic linear pot with identical mechanicals to the original, which was also a
By
info@...
·
#7168
·
|
Re: 475 focus pot needed
Lubricate the shaft where it enters the body of the pot with contact
cleaner. Turn the pot. Repeat
as necessary.
You will probably find it only takes one or two tries to get enough
penetration to fix
By
Arthur Shulman <dentist@...>
·
#7167
·
|
Re: Tektronix Spelling
Yes it is worth doing because I tried just one mispelling and found a
scope. Here's the link:
http://cgi.ebay.com/ws/eBayISAPI.dll?
ViewItem&item=3802275078&category=45005
regards,
Benoit
it.
By
beanrocco <benoit.bissonnette@...>
·
#7166
·
|
475 focus pot needed
Hi all!
I am in need of a new "focus" pot for my Tektronix 475 scope, serial number B278849. The part Identifier is R1380. The Tek part number is 311-0075-00. Description is: Res., VAR, NONWIR:
5M
By
info@...
·
#7165
·
|
CRT Wanted
Greetings All,
I would like to inquire if anyone in this fine group of ours has a CRT for a Tek 2235, or 2236 for sell, or trade.
The part number on the CRT is 154-0861-00.
I received this 2235 from
By
Darrin Conniff <djconniff@...>
·
#7164
·
|
Re: Tektronix Spelling
<mister_twister@p...> wrote:
called "Tectronics".
----------
There is actually a real company which spells the name just like
Christian initially did. It's in UK and deals with home
By
zenith5106 <zenith@...>
·
#7163
·
|
Re: Tektronix Spelling
In the movie, "Diamonds Are Forever" they have a company called "Tectronics". I believe I have it spelled the way they have it in the movie. I'm to lazy to pull out all my James Bond movies (and I
By
Rex W. Athey <mister_twister@...>
·
#7162
·
|
Re: Tektronix Spelling
I used to have a standard eBay search that included a lot of the common
mistakes. Here's 20 to get y'all
By
Scott Newell <newell@...>
·
#7161
·
|
Re: help with 2465
Change all the filter caps in the power supply - they are getting old and
worn out - that will fix it!
Always use 105C rated caps as they last much longer (the last ones worked
for 20
By
Denis Cobley <denis.cobley@...>
·
#7160
·
|
help with 2465
has anyone seen this when the scope is first turned on
and a signal applied there is what looks like ac
ripple on the top of the trace but after a minute or
so it gradualy shrinks and goes away
By
kenneth_m_73149
·
#7159
·
|
Re: Another new file
(Data I/O), so much more reason to be careful. Possibiliies are infinite and
have to watch for fine print (manufacturer, IC revision, algoritham revision
etc.), or you will fry the
By
Miroslav Pokorni
·
#7158
·
|
Re: Tektronix Spelling
I did not bid against you, but not for lack of want, it was a lack of
opportunity.
Regards
Miroslav Pokorni
By
Miroslav Pokorni
·
#7157
·
|