Hi Michael, I have made a few comments below: Michael Dunn wrote: I haven't ever tried this so you could be right . . . Check out the list on my web site at <www.reprise.com> The 3T77 is one

Wow. I had no idea they were so fragile. I guess LEDs evolved out of this technology...??? Cool. NOT on-screen readout I assume?! Nixies? Thanks for all the info Stan. md

mdunn@... writes: for . Where I was working in the mid 60s we had some of the first GE plastic transistors. They were packaged in natural colored epoxy (translucent) and were released

Michael Dunn wrote: Not only are they fragile when handling them, they won't take much applied voltage either. 1 volt is about the maximum size signal you apply to a sampling scope before you exceed

I finally got tired of tripping over an R7704 hulk I had laying around. I decided to strip it down, and see if I could find homes for the various parts. If you have an R7704 (and I suspect 7704, but

Is this correct spelling. I fails to load for me. I tried it several time even cutting and pasting it directly from the email. Best Regards, Mark

I am sorry. I do not believe this is your problem. It looks like a lot of differnt website I cannot all of a sudden access today. Some internet problem. I try again tommarrow. Best

Stan (or others), you have helped me with this scope just recently. I picked up an original users manual which is great! But, my scope has just started giving me trouble with Ch1. When I turn the

Yes, that is the correct spelling and it loads for me. Stan w7ni@... Mark Gurries wrote:

terry.brown6@... wrote: Hi Terry, Here is an educated guess. I suspect you have two problems. The drift is probably due to a bad nuvistor in the Ch 1. You might just try reseating it in the

Thanks, Stan. I do see the plastic part you described and, yes, it is cracked. Would any of the "superglues" work in place of expoxy? Any fairly easy way to get to it? I'll try reseating the

Stan, I removed and reseated all the Nuvistors I could find and also checked transistors in the sockets to see if loose. That seems to have solved the drifting issue. I'll let it cool down

Hi Terry, I have not had any luck with any superglues sticking to that white plastic which I think is really nylon. I have only had luck with epoxy and then I used a fair amount of it and filled in

Hi Terry, Comments inserted below: Terry Brown wrote: That may be all that is required to fix the drift. No, not normally. But you have to remember all 454's are now at least 30+ years old and

Hello All, Please note that this is a copy of my post in the Tektronix Reference materials forum with some comments removed as they would not make sense here. If the bookmark is not in the bookmarks

Hi Paul, I have a real problem with the way Bill's and my forum works with my computer. It takes forever to load and I just don't have the time to wait. Bill says he can fix it as soon as he gets

What is the best way to get a service manual for a 7104. Thanks __________________________________________________ Do You Yahoo!? Get email at your own domain with Yahoo! Mail.

Hi Nick, There is a list of vendors of Tek manuals at our web site. Try this URL: http://www.reprise.com/host/tektronix/resources/manual_sources.asp If none of those guys can help, there is always

maybe due to a unmatched set? I got a couple of expect I have tried a hp HSMS28xx (I don't remember the number but i can have a look, its a bridge-connected 4-diodes in one SMD housing) and a

Michael, I could download all the pdf files in holland. Perhaps I can help you by sending you what is put there. Can you give me a number you are looking for. Kind regards, Andre Roest