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Hey Brian, H?kan is a member here - at least he was before the relocation to groups.io. He's frequently helped out other Tek enthusiasts with this and that, sometimes by consulting his microfiche

well, now that you know the resistor values for sure, the next step would be to measure the voltage drop over them in-circuit. I'd suggest leaving the scope running for 10-15 minutes before you do so,

Found a large list of Tek MODS and their relative documentation: http://www.hakanh.com/dl/kits.htm

The simple answer to this is that unless the output is terminated with 600 ohms it will be +6dB too high. Get yourself a BNC Y attachment and a 600 ohm attenuator from BroadWave Technologies, and be

Lee... Thank you for your willingness to help out a fellow Tek 335 owner in need!!? :) Thank you, Jeff, for offering your service, as well... If I can help with postage or ?, please email me off list

Hi Lee, Thanks! I'll get to work on it as soon as the foot arrives! My address: Jeff Davis 12 Galora Lane Ladera Ranch, CA 92694 319-431-3846 (cell) Regards, Jeff ________________________________

Phillip Potter, Jeff Davis N0DY - It would appear you two are on the same page so I would be more that willing to send my one good 335 foot to Jeff for modeling and creation of new feet. Jeff if you

Thanks Siggi, I have just tested every resistor you listed out of circuit, they all test good and they are still in spec even the 1% tolerance ones, I replaced R1878 when I received the scope, the

Hi Phil, Yep, that's me. And I did get your email and have sent a response. What I do is entirely non-destructive. I just need to take measurements from the existing foot Jeff

Hi, I have one of these with no disks, has anyone got a sample waveform disk they can upload to the files section please? I haven't checked what format the disks use, I guess an imaging tool such as

Hi Jeff, Are you N0dy?? If so, I just emailed you about your 400 series feet. If your process is nondestructive, maybe we can get Lee H. (on list) to volunteer his one surviving complete foot for

Hi all, I'd be willing to undertake the 3D modelling and printing with a durable nylon material if I could get my hands on a reasonable existing foot to take measurements from. I've already developed

Hi Lee, I have been considering making a mold, but I am going to have to learn how... If I can figure out how to do that, without harming the example, I will get back to you on this... Thanks for

This is such a common malady that a few people have developed replacement feet. One reference is /g/TekScopes/message/144184 And I've bought a few sets from Fred Usack on ebay,

Why not "print" a foot and use that to make a mold. Then you can cast them in more robust material. 73. Dick, W1KSZ wrote:

It can be done. I've 3D printed feet for the 465 based on this model I "designed" based on the original feet: https://www.thingiverse.com/thing:1410827. Printed in PLA, they are functional but I

My 335 has ONE good, complete foot that I would loan out in the hope it might lead to the production of four new replacement feet.

Hello all, The feet on the rear of my 335 are crumbling apart, literally! I talked to Walter at Sphere and he has nothing even close, and searches on the net reveal nothing... so, I am coming to the

Well, this shifting does seem to be your problem - especially if you're measuring this at power-on, as the slow start should increase the nominal voltages by ~10V initially. So if you're measuring

forget to add some pictures: http://www.multizet.com/images_news/tek_577/1_IMG_3786.JPG http://www.multizet.com/images_news/tek_577/1_IMG_3787.JPG