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Old 3rd June 2002, 09:39 PM   #11
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Default True of the 7XXX series

but not all plug-ins for the 5XXX series will fit in all mainframes -- to prevent heartbreak, however, the TEK engineers fitted straps across the rear sockets in the mainframe to prevent accidents. Now for my question, will all accessories for the TMXXX power supplies work with all the TMXXX mainframes?
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Old 3rd June 2002, 11:34 PM   #12
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Default TM5xx

Gee, I thought so. The only provision is that power supplies need the higher current righthand slot.

jh
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Old 5th June 2002, 09:57 PM   #13
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Default Cheap scopes

I agree with Hagtech's earlier suggestion that if you want cheap, look for a 20mhz model by any number of manufacturers. Still, Tektronix is best, even with low-bandwith ones, since they are so ubiquitous that info is generally readily available on them (and manuals).

Two points about ebay: use the "completed auctions" view to see historical selling prices for a specific model, and secondly, WAIT until you see one that is guaranteed or at least claimed to be working. There are so many, it shouldn't take long.
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Old 6th June 2002, 02:49 AM   #14
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Default Scope noise

Don't waste to much money on a scopes like the TEK465. These have much to much internal noise, and always a fuzzy display on even fairly good signal levels. However, they are still a lot better for analog work than all the digital scopes that I have ever used. This includes some very expensive units.

The 7000 series are fine but some have power supplies that are rather difficult to trouble shoot when they fail.

For very little money you can purchase some of the 50Mhz dual trace/time delayed with trigger view Kikusui scopes that used to retail for around $1200 for less than $100.00. I have one of these for a backup scope that I keep around just in case my main Iwatsu scope breaks down.

John Fassotte
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Old 17th September 2002, 08:39 AM   #15
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Quote:
The 7000 series are fine but some have power supplies that are rather difficult to trouble shoot when they fail.
If there´s an option for 7504 OR 7904, which one would you prefer? (I know the specs)
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Old 17th September 2002, 04:47 PM   #16
jwb is offline jwb  United States
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I agree with alaskanaudio. My Tek465 is useful, but also frustrating. It has an internal noise source that generates quite a bit of crap around 10-20MHz. It also isn't fast enough for digital audio work, and of course has no modern scope features at all. I'd go for something newer.
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Old 17th September 2002, 05:26 PM   #17
mlloyd1 is online now mlloyd1  United States
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I bought a Hitachi V1065 over 13 years ago. It continues to serve me very well. Either 60MHz or 100MHz (I don't remember anymore), cursor measurments, delayed sweep, lots of other stuff. I think the current versions of this don't have as many features anymore. Initially, I was dissappointed at the time that I couldn't afford the Tek model I really wanted. After a month or so, I forgot about that.
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Old 5th February 2013, 04:31 PM   #18
RNMarsh is offline RNMarsh  United States
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Try to find a portable TEK DPO type 'scope which has the optional module that does FFT.
(TDS3032 etc).

-RNM
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