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Test Equipment Anonymous (TEA) group therapy thread

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factory:

--- Quote from: AVGresponding on May 30, 2023, 08:31:35 pm ---1958, in fact. I get (mildly) cross when my colleagues refer to all cable ties as Ty-Raps; like calling all vacuum cleaners Hoovers.

Thanks for clearing that up. Bearing in mind, I'm not an RF guy, why all the different colours and sizes of coax in the unit?

--- End quote ---

I get pissed off everytime I hear Cinch when it's not referring to a brand of connector, those outside the UK probably have no idea what I'm rambling on about.

Back to the 4270A;
They seem to be using them for power as well as signals, a four core screened cable goes to the on/off switch too.

For example the bunch of different colored coax cables at the bottom of the picture, are the secondary windings of the power transformer, the manual mentions both the coax color code and the crimp sleeve color. Also noticed a few very thin coax cables that don't have the crimp sleeves.

Some more pictures of another 4270A here (from Cubdriver); https://pmanning.smugmug.com/Electronics/HP-4270A-Automatic-Capacitance/i-HzfbK3K

David

TERRA Operative:
No TE for me at the moment. I just bought a bottle of Fireball whiskey and a bottle of Zubrowka vodka though...

I am waiting on parts for the THS720 scopes, along with custom foam inserts for the soft carry bags to arrive, so machinations are machinating in the background.
And I am in the process of building a range calibrator for my 437B power meter too.


Until then, bottoms up! :D

Specmaster:
Yay, I'm off to Mansfield in the morning to pick up my lovely new car and can finally say goodbye to this pile of Japanese crap I've been driving for the last 2 months while I did battle with the insurance companies over getting a more realistic payment for my poor old car was written off for me by some inconsiderate driver on the 3rd April  :palm:

Robert763:
I have a road trip tomorrow too. First part is 90 miles taking the dog to the vet for possible dental surgery. Then a further 50 odd miles either with dog or while she has surgery to pick up some TE.
I did a BIN on a HP 8920A radio communications test set. Collection only It's broken. Allegedly just the PSU. The PSUs on these are a bit odd. They accept mains or DC input with multiple outputs using a single high frequency transformer for both inputs. I've fixed them before. Very little other information on the unit. Only photos of the front. It has a CDMA adaptor attached. No idea of other options. That's the bad news. The good news is that it was only £75. Unless it is completely trashed I can't loose.


Robert.

Specmaster:
Wow, thats so spooky Robert, your trip adds up to to 140 miles, which I take it will be double that for the return journey, and my trip is going to be 145 miles each way unless I also combine it with a trip to RAF Conningsby for some Typhoon action and possible some BBMF action as well as they practise for the forth coming display season, in which case I'll be doing around 330 miles altogether. :-+

Good luck with the HP 8920A and I hope that the surgery is a success for your dog.

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