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Hi, can Anyone help how to get higher frequency displayed on this? Mike, KE6OJE.

Gary, Sorry to hear that - I thought you had your DDU repaired and that you booted from your DDU instead of the tape drive. I don't suspect the 4041 tape drive, although I would recommend using

At the back of the scope there is a BNC marked as A-gate. While applying your sine wave to channel 1, triggering on channel 1, connect A-gate to channel 2. Pick "chop". Move X-axis to see the

Thanks for all of your help. I have spent way more time and I'm out of my element and another O'scope for around $100 looks real attractive. At least this one is a parts source. I'm returning it to

Dave, Were you wanting a "SERVICE" Manual? Because this is an "OPERATORS" Manual. These are not typically used for repairs and do not always contain detailed repair information, at least not in any

Is Shawn (KJ7MX) on here? I'm asking in reference to the eBay listing for printings of the 2236

Monty: If only the engineers at Tektronix had created a boot ROM that was not erasable with age. My system is completely dead if I cannot run the AUTOLD from the tapes. None of my 3 tapes will work

Jose, it looks like the beam is being unblanked before the sweep starts. Maybe the Z-axis amplifier has a problem? Or maybe the trigger circuits? Maybe some interaction between the two? That

A big milestone is coming this spring for KiCAD (schematic/PCB software). this new version is a very powerful tool, and 6 adds microwave/RF layout features and a lot of other goodies. For everybody

Hi Have just obtained a new to me 7l12--it seems to work somehow--if filters-video span etc works--but dc feedthrough 150Mhz off--when tested with 50Mhz cal signal --it is located 150 off and span

Hi, Base of Q770 reads +6.090 VDC, while the base of Q780 reads +6.081 VDC However, the cathode of VR764

Hi Gang, I've done some cleaning of pots, and switches using Contact Cleaner. Behavior of scope did not improve that much. I've tried to visualize a Sine wave (5V 1kHz) on both channels and as you

(snippage) Jared, question: Is your tester design compatible with TM5000 series frames as well? And I'm guessing the PC board files can be found in the group's file area? Thanks much! --

Hi Gary, I recommend opening a new thread with this subject line. There must be some members in LA area. I especially look for non-working equipment to repair; I haven't used any repair services

Do you know anyone in the Los Angeles area who repairs and calibrates Tektronics equipment?

Hi Dave, I am also in CMOS IC design field, I repair test equipment for hobby. It is unlikely you will see anything you already don't know in the LTspice sim. I used hspice quite a bit in the past,

All of it is now sold.... Jim

I have spent the last couple of weeks with the EZ-TEST Generator (Volume 1) and Translator (Volume 2) programs and can confirm the files I posted are complete and work fine. The EZ-TEST Generator

If you want GPIB control, then you need TM5000. If you want some of the functions that aren't available in the TM500 series, then you need TM5000. If you don't need either, the go for

Ozan, I'm an HSpice jockey. I'd love a look at your LTSpice model and come up to speed on component simulation (vs. IC MOS simulation). Dave