General > General Technical Chat
i won't buy chinise parts from aliexpress or ebay
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nigelwright7557:

--- Quote from: nigelwright7557 on March 12, 2020, 12:42:14 pm ---"Save a penny, lose a pound"
"Buy cheap, buy twice"
etc etc

Learned my lesson years ago with ebay and/or Chinese parts.
Always buy from Farnell or RS Components now.

--- End quote ---

Just out of interest I bought a couple of cheap AD9220 a2d converters off Ali Express.
I also got a couple of samples from Analogue Devices the manufacturer.
The AD genuine one worked ok upto 10MHz.
The fake part struggle from about 8MHz and was very noisy.
So it seems I dont even take my own advice !
Psi:
Best advice for Aliexpress,

- Order by price
- Ignore the bottom 25%

That will cut out a lot of junk which is too good to be true.
BravoV:
Really boring reading this kinda whines everytimes ... a typical noob online shopper.

Its like a noob, who bought a brand new iPhone for 10 bucks  ::) in the alley with shady guy, and then whines alot that got cheated.  :-DD

Worst, and then cursed and accused the people who live in the whole neighborhood or the whole block are cheater and evil.  :palm:
BravoV:

--- Quote from: nigelwright7557 on August 31, 2020, 04:17:59 am ---
--- Quote from: nigelwright7557 on March 12, 2020, 12:42:14 pm ---"Save a penny, lose a pound"
"Buy cheap, buy twice"
etc etc

Learned my lesson years ago with ebay and/or Chinese parts.
Always buy from Farnell or RS Components now.

--- End quote ---

Just out of interest I bought a couple of cheap AD9220 a2d converters off Ali Express.
I also got a couple of samples from Analogue Devices the manufacturer.
The AD genuine one worked ok upto 10MHz.
The fake part struggle from about 8MHz and was very noisy.
So it seems I dont even take my own advice !

--- End quote ---

As the old saying, fool me once shame on you, fool me twice ... what a moron am I.

Sometimes you just can NOT fix stupidity, even your own.
dietert1:
Why somebody needs to buy parts really cheap? Probably because there is a lack of income. Maybe the reason for the lack of income is using unqualified parts in the past and spending to much time on fixes.
I mean there are people who started this as a student (when their work could not yet generate income) and missed to change their habits later. It's not your work to shave off some pence from a BOM or is it? I am trying to do my work instead.

Regards, Dieter
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