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I want to design a simple RF circuit such as used in car toy

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gameelgamal

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simple rf circuit

Hi..
I want to design a simple RF circuit such as used in car toys.
I'm a mechatronic engineer and I haven't any experience in the field of RF circut.
I have alot of questions
which ICs should I use??
which frequncy should I use to send data??
which parameters are specifying the maximum distance between the transimeter and the reciever??

If any one have a pre-designed circuit, please submit it.
thank you
 

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simplest rf circuit

Hi,
There is a lot of circuits and this depend on the application (wave range and power). For the frequency used, this differt from a country to another. In most case the Amateur frequency is used.
 

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