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Old 13th Aug 2019, 7:04 pm   #161
Join Date: May 2008
Location: Derby, UK.
Posts: 7,304
Default Re: More Chinese AM radio kits

What do you expect when you go borrowing words from other languages willy-nilly? Just as English has different names for an animal when it's alive in a field and dead on your plate, so it has picked up different words for "bonding metals using a molten metal filler" depending on the particular subdomain of engineering. "Welding" and "Soldering" are the same word in many languages.
If I have seen further than others, it is because I was standing on a pile of failed experiments.
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Old 13th Aug 2019, 10:57 pm   #162
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Join Date: Feb 2007
Location: Leominster, Herefordshire, UK.
Posts: 13,327
Default Re: More Chinese AM radio kits

Useful, but only if you already know what a superhet is and how it does it!
.=.| _---\__|__|_---_|.
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Old 14th Aug 2019, 9:50 am   #163
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Join Date: Sep 2010
Location: Ripley, Derbyshire, UK.
Posts: 680
Default Re: More Chinese AM radio kits

Thanks, Avid Nerdlinger for your handy tip. As it happens, The P.C.B. is marked with the component values, and the Chinglish assembly instructions given in the original ad on Ebay (but, sadly, not with the kit) give the colour/function of the I.F.T.s and transistors, so I should be well away with those clues.

Herald 1360, what you say is very true. I think, given the available instructions, a beginner would be very lucky to successfully build this kit without some help from a knowlegeable person.
Fortunately, this project is only being done out of of academic curiosity. Tony.
The job "couldn't be done".
He didn't know that,
So he did it.
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Old 14th Aug 2019, 10:17 am   #164
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Join Date: Jun 2016
Location: London, UK.
Posts: 3,322
Default Re: More Chinese AM radio kits

I’m not exactly a beginner (just built a working superhet from scratch and a K2) and I’ve built two of these Chinese radios and neither of them worked properly so you’re right

I was hoping to modify one a little bit and try and add a BFO.

On the IFTs I found a chart of Chinese symbols for colours on the web and used that. Appears the RF side of mine both worked but the audio didn’t.
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