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A giant rubber band also works to hold the plugin in to the connector. Hobby stores sometimes sell them. There may be something wrong with your TM501 connector if the extender card falls out. I can't

I'll cite one example of a mod not having a 2-letter identifier. On at least some of the 7L12, 13, and 14 spectrum analyzers, before Option 39 was available the same effect could be had as "Mod 139U"

Hi H?kan, All of the instruments that I know of which have been modified have a Tek label that says something like "MOD WN". The MOD is always identified by two letters on every plugin that has a

Hi Velik, You did a great job! These look as good as the original skirt from Tek. I am very impressed with how all three dial's turned out. There are many times when members need to make replacement

Sadly, nothing under ?100 on fleaBay :-( Anything in the DIY arena ?? Dave

Try ebay. Bob

Can anyone suggest a source of the above ?? DC to 20MHz would be more than adequate. I don't even need a high voltage device - 30V would be OK, 100V would be better. I'd even consider a DIY or kit

I'm looking for that disc for a AWG 2040. Michael Lynch From My I-Phone mlynch002@... 479-477-1115

A while back I found a guy named Bob Haas, who was selling molded 400 series feet on eBay, try and make up some 314 feet (same as the 335.) I sent him a couple of feet and he made a couple of sets for

Jeff, the foot is packaged up in a USPS Small Flat Rate box. Hopefully I will remember to mail it tomorrow and you will likely have it Monday. You should have received an email from the USPS with the

Hi Rick, This would be a much cheaper, do it yourself, alternative that would take you a few minutes to make. Buy this resistor and put it on a dual banana plug: Through Hole, 1W, 600ohms, 1%, $0.25

Siggi, At the bottom of H?kan's page that I linked in: "NOTE: Since my Microfiche copier recently broke down I will not be able to provide any scans, at least not for some time. This message will be

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