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writes: The 570 is a very rare item even here in the US. A friend of mine had one and sold it to a collector for a quite high price. You can see that very unit on the cover of Alan Douglas's

Hi Michael, I have the pot here for you. Can you give me a postal address? Regards, Arnoud.

unit valid don't useless, Hi, replacing the GaAs diodes with Schottkys sounds extremly interesting. Could you write which type of Schottky diodes you used? I think a lot of (potential) sampling

Hello Stuart, Welcome to this group of Tek scope fans! The type 570 Tube Curver Tracer is probably the most desired of early Tek scopes. This also makes is rare and expensive. Tek only made about

Hi Arnoud, :) Sometime on Thu, 02 Nov 2000, you wrote: Sure can. :) Michael Dunn PO Box 103 Woodford NSW 2778 Australia How would you like me to pay you for it...? Thanks and

Hi Michael, Sorry: the request for you address should have gone to you directly, not to the list. I don't need payment; happy to be able to help you out. Regards, Arnoud.

Hi stan, thanks for the website info. Stefan has kindly offered to photocopy his 545b manual so that's one hurdle crossed. The problems i'm having with my 545b are: The trace stops and becomes a

Giving you part numbers would not be too useful, since the 1S1 still has the offset problems I mentioned. I got a couple of different types through Digikey. If you want to experiment, I expect

sjhel@... wrote: Most scope problems, it seems, are in the power supplies. I would check the power supplies to make sure they are still regulating when the problem shows up. It would be

Hello, I just rescued an old 502 Dual Beam Oscilloscope that was about to be thrown out, tubes and all. It is in slightly beat up shape. I am wondering if it would have any value to anyone here, or

Not sure what you could get on eBay, but don't trash it! I'll pay you a reasonable amount for stripped parts if you don't want to keep it together. Shipping intact might be prohibitive. Does it

Hi Jeramy, An old Tek scope like a 502 always has SOME value but whether it is worth the cost the box and ship it is a good question. It is always a good idea to offer these things to the list but

w7ni@... writes: it My experience is about the same. I have 5 or 6 502s and would really like to have one operating on each bench that I use for audio work, but they really need thorough

I know the 7B87 plug in is designed to support the features of the 7854 frame, but can it be used in a 7904 frame, or is it strictly for the 7854 frame? Thanks, Don

Dear Don! The 7B87 is a timebase that features a pretrigger aquire clock to enable a pretrigger otion in the digital storage mode of the 7854. It works in all other 7k scopes i own. The main

HI Don, The 7B87 can be used in any 7000 series main frame, including the 7904. Stan w7ni@... Don Crano wrote:

Hi All, Where can I get parts for Textronix 7104 scope? I need the vertical channel switch IC. The component number is U668. Thank you in advanced. Feng

We have a pile of 7A16P's, the programmable version of the 7A16, used in waveform digitizers like the 7912D and 7612AD. Unfortunately, we have no digitizers, so these are worthless to us, and do

Strip off any easily strippable parts, hardware, knobs, etc, and sell grab bags of Tek parts. Tempting :-) Could you post a rough list of 7000 modules...? Any particularly "interesting"

Does anyone know the difference between the 1A5 and 1A7 differential plug ins? thx ----------------------------------------------------------------- Michael Dunn | Surround Sound Decoder &