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Hi Nenad, your observation with Locate active seems to indicate that Time/div is working correctly. That undermines my speculations, but nevertheless try. Albert.

Good, this confirms my previous theory that the head does sample (but not the signal...). Later on I realized that only a very strange fault in the 7S12 could explain the opposite effect of Offset.

I just took apart a compensator box that did not have a pin (the pins are brittle, and when bent back straight, will break). I cut two slots down the side of the BNC plastic shroud to remove it. At

Thanks, 20 for the part and 12 for shipping. My cheapness gene just kicked in, so that's down on the list. <grin> Harvey

That is trace goes upward when you rotate Offset clockwise. Albert. Yes it does. On the 500mV/div setting the range that I'm getting is -2.7div and +2.2div on the graticule. On higher settings I can

Hi Harvey, See an old Post of me: /g/TekScopes/message/101094?p=,,,20,0,0,0::Created,,131-0750-00,20,2,0,7653114 The mentioned part is still for

Hi: I've seen that question asked on the forum before. IMHO, if people keep asking, the site will soon disappear... like others, that were once up, have. Regards.

Hi: The volume covers, at least: energy band diagrams band gap theory atomic bonding semiconductor conduction doping Fermi-Dirac stats p-n junction but, at an elementary pictorial/graphical level (no

Hi, I have a 7T11 that had its red variable timing knob in the outward position when a heavy instrument was set down next to it, shearing off the knob on its panel. The red knob is scuffed, but

How about this page David? Russ

Have a 7A14. Have a P6021. P6021 has a standard BNC connector, ordinarily no problem. However the 7A14 is normally set up for a P6022. The grounding ring (same as the readout scale ring on a

Nenad, I forgot to ask: is Offset functioning in the right direction? That is trace goes upward when you rotate Offset clockwise. Albert.

conductor and the junction of diodes C and D? And also, so less important for your problem, the 50R input resistance (due to divider R3)? Yes, I can read +/-1.2V voltage drop from the SMA center to

On Sun, Apr 14, 2019 at 03:15 PM, Nenad Filipovic wrote: > > Thank you all for your advice, I just tested the sampling gate of my S-4 > and believe it's good. Since I don't have a curve tracer, I

In the usual basement shop, with a ceiling full of exposed floor joists, it is easy to install lift points between the joists, using 2x4 framing hangers, and short sections of iron pipe. Then you use

Hmmm, swing out arm with a block and tackle? Harvey

Yep. Mouse over the links; a "blue" link will resolve directly to the PDF. A "red" link resolves to the login page, which indicates that the file is not yet ready to be accessed. I don't know why

Yes, I got good results following the manual sec 2 p 5-7 -- like this: https://www.cibolo.com/forsale/Tek-7904A-ALT-ALT-14.jpg Before that screenshot, I had trigger problems with one time base, and

Thank you all for your advice, I just tested the sampling gate of my S-4 and believe it's good. Since I don't have a curve tracer, I improvised one using a 7854, 7A26 and 7A22 driven by a triangle

It works fine when you use 2 time bases and horizontal ALT. With just one time base it works the way I said. Then with AC triggering it works regardless the relative vertical position of the traces,