NEED HELP:digital data transmitter receiver circuit

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robearthFX

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good day to all of you...
im robert, an engineering student here in the small country of the philippines....

i have a project in mind that needs a digital transmitter and receiver...
any technique of digital modulation is just okey.... but preferably.... ASK or FSK.... for ease of implementation....
 
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Cheap, licence free, radio modules are widely available, but are generally country specific - I would suggest checking what the situation is there?.
 
Nigel Goodwin said:
Cheap, licence free, radio modules are widely available, but are generally country specific - I would suggest checking what the situation is there?.
Click to expand...

hello there mr.
i am very glad for the reply...
can you help me on this one?
i have tried a lot of researchs....
but of to no attain....

a basic circuit diagram will do.....
tanks....
 

Again, you need to check in your specific country, in particular the regulations governing such things, they will probably be specific licence free frequencies you can use - but you may have to use commercial modules!.

Generally there aren't many circuits about, mostly because they are so cheap to buy, and because of the constructional and alignment problems at such high frequencies.

Have a look at https://www.rfsolutions.co.uk/acatalog/FM_Radio_Modules.html for one manufacturer of modules.
 

tank you very much....
that was really a big help on my part....
 
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Hiya robearth,
Eh mate checkout the range sparkfun have they have everything from the cheap modules upto the best available at a reasonable price. Their website is www.sparkfun.com and click on the rf link. I'm sure you'll be impressed.

Cheers Bryan
 
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