True, older, more experienced engineers are more expensive, so many of us work for defense contractors.  When I quit my job at a commercial semiconductor house at age 51 after being out of A&D for 22

I noticed that when I turn the Time/Div knob the wafer switches nearest the front panel are not moving. I suspect a loose or broken knob. The outside of the knob looks ok and turns the outer most

Where do you get your favorite high-voltage pourable RTV? I just did a web search and got overwhelmed by crap hits. Thanks, Dave Wise ________________________________________ From:

Hi Chris I don't have any experience with dual time base scopes, but I've seen trigger jitter on my 531A a few years ago. The problem was due to ripple on the 500 V supply, because of a faulty

But they are expensive and ageism is very prevalent in IT and engineering. If you're building a low end product you don't want to use high end resources. I think that's a significant reason why

Forgot to add that the sine wave was produced using the .35-.75 mHz position on the 191 Generator. The adjusting scale was set on a little past .6. Any frequency higher than this the scope can not

Tektronix (not Danaher or Fortive) seems to be going through some really hard times... I read an article about "best digital oscilloscopes",

This 453 serial number is 25900 and Mod. 210H. It is very clean and was rescued from being scrapped about 15 years ago. Has always been dependable and accurate until now. It is an old IBM scope. I

On a related note: What are the "NV" and "AV" in the name? I've seen scopes with just the "TDS5054B" but I can't find anything in the manuals to tie the additional labels in with options. Hal

Tektronix was the victim of a takeover by Danaher. All the time Danaher owned Tektronix, they traded as Tektronix. Now that Danaher is done with them, and spun them off to Fortive, they still trade

Creature of habit. When I got back to active work, they were Danaher.  I have seen enough change for one life time. Either way: you want such a trinket printed or not? If yes: tamhan aeht

Tek fans, My much-loved 535A has been getting a lot of use over the last few weeks. It lives in my home lab which is where I'm now working due to the coronavirus situation. Generally it's been a

Make sure you block any DC, and are very careful about the input power! If the DC block is a large capacitor (e.g. works to  kHz rather than MHz), consider whether any transients might be

Absolutely. Gesendet von Mail<https://go.microsoft.com/fwlink/?LinkId=550986> für Windows 10 Von: Merchison Burke via groups.io<mailto:merchison@...> Gesendet: Mittwoch, 8. April

Hi, Yes, you need to use the Dallas nvram, with built in battery. I suppose it would be possible to restore the external battery but there are some components that would need to be populated.

Thank you Michael, Chuck. Your reasonable explanations assure me that I haven't overseen something. The resistor seems to be there for good engineering, a reasonable protection that has practically

Ernesto, I do not know the answer to that question. Chuck indicates that it to prevent being killed by a high current- high voltage from an accidental shock. What I do know is that the Tektronix

The resistor is there to protect the tripler if the anode lead is suddenly shorted to ground. It will drag the capacitors to ground without allowing the current to get high enough to damage

Just like that. It fits just fine. The backup battery should last about 30 years. The life is shortened if the scope is stored in a very hot environment. -Chuck Harris Steve wrote:

Ernesto, I have un-potted the X14 multiplier from a 7904 and there is a 10 Meg Ohm 1/2 W Carbon resistor on the output high voltage lead, connected to the last diode in the ladder. The reason I had