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Test Equipment Anonymous (TEA) group therapy thread

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mnementh:

--- Quote from: Specmaster on June 01, 2018, 03:31:09 pm ---
--- Quote from: bd139 on June 01, 2018, 03:09:19 pm ---Siglent have no reliable UK reseller so I'd buy a better Rigol over a Siglent if I wanted to spend more money.

I don't buy that scopes really go obsolete. Better ones come out but that doesn't mean the old ones are less useful than before. The interface between them and the universe is quite stable :)

--- End quote ---
Yep, that interface would be the users and we have been stable for centuries  :o

From mobile device so predictive text might have struck again [emoji83]

--- End quote ---

Obsolete from a retail/buying standpoint, which is precisely the context of that particular discussion. If you're buying a new gadget and paying new price, you're going to buy the new shiny with all the features as opposed to last decade's model unless prices are drastically different.

Your argument applies to an entirely DIFFERENT context; more the baseline context of TEA itself. Which is borne out in the fact we're both still quite happy with our 1054Zs.  :-+ ;D :-+

As for the "stable interface" comment... I wouldn't touch that with a bargepole.  :-DD


mnem
"Stable-ish" indeed...

med6753:
Another delivery courtesy of Mnem. This has the knob and fuse cap for the 2465. Plus some cool stuff. That large item is a portable airbrush meant for applying a sunless tanning lotion. That could come in handy for other applications I just don't know what yet.  :-DD I don't know what the item in the lower left is.  It has a note attached that I have to read. And then some assorted parts. Thanks for the stuff....you're a cool dude.  :-+ :-+   

mnementh:
Glad it FINALLY got to you... between my car problems and the Post deciding we didn't need service Saturday before a holiday, I thought it was NEVER gonna happen.  :palm:

The sprayer was one of those weird 99c store finds; I bought a shedload of them for the Co2 cartridges, then I found the sprayer was actually a useful little tool. I've used them to spray a model car body, apply wood stain, apply paint after fixing a hole in the wall, and a few other things I can't remember right now.  :-DD

Top left are some car speaker tweet/mids I kept due to their curious construction; both elements are peizo. Directly under that is a Li-ion charge/output controller from some laptop external battery packs I used to use for extended onsite service calls; they come in a shell with a large 3S2P (or was it 4S2P?) 18650 battery pack. Think same idea as a USB PowerBank, only ~19V in/19V out.

The wedge-shaped PCB is a 900MHz (I think) audio RF module I got from some place like American Science & Surplus.

The little grey plastic widget is a multifilar helix GPS antenna I've saved in the bottom of my junk drawer since Magellans were the size of a 3.5" hard drive. VERY interesting construction.

And the widget you're wondering about is an original iBlue BT GPS unit; I used to use it for waypoint flight-control of multicopters with Mission Planner on my old ToughBook before I bought one with GPS built-in. Quite ingenious device; it is an entirely self-contained (if you can find a battery for it) siRF3 chipset GPS unit that sends NMEA-standard data out over BT SPP slave connection. The notes tell you what size battery to shop for, and where to Google for the documentation online.

I'm glad I could help restore your 2465, and I hope you have fun with the "random" I tossed in to fill up the box. ;)


mnem
This must be Friday; I never could quite get the hang of Fridays...

Berni:

--- Quote from: med6753 on June 01, 2018, 02:45:25 pm ---As I said before.....DSO's are a new animal to me. I did some more playing around and I got the glitch.

--- End quote ---

This is why a high resolution display and intensity gradation makes a world of difference in having a digital scope show the same sort of fidelity as a analog scope.

EDIT: I just wanted to make a demo of it...aaand my Tektronix signal generator is not turning on. Push the power button and nothing happens. Dang it my repair cue just got even longer!

tautech:

--- Quote from: med6753 on June 01, 2018, 02:45:25 pm ---As I said before.....DSO's are a new animal to me. I did some more playing around and I got the glitch.

--- End quote ---
Good scope work med.

The DL's are a model I never bought in as I thought they had substandard specs and TBH all the similar CNL, CML and CFL now fall into the same basket compared to the later X and X-E models of which some have the same sampling rate as C** models but otherwise have a truckload more memory, better sensitivity, ERES, dot mode and so on.

Anyways just goes to show how a lowly DSO can nearly foot it in some situations against the mighty Tek 2465, the flagship of it's era.  :)

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