Re: TI-H: RF Link Idea....


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Re: TI-H: RF Link Idea....



PLEASE!! MIME attatch it to my address, not the list, unless people say PUT
IT ON THE LIST!


travisp@inil.com


And if you can't scan it, please draw it. And a Radio Shack parts list
would be great, if you have one!


     /--------------------------------\
    /         Travis Pettijohn         \
   /    primary:  travisp@inil.com      \
  /   alternate:  travisp@juno.com       \
 /   http://www.inil.com/users/travisp/   \
/------------------------------------------\


----------
> From: C.J. Oster <cjo@pobox.com>
> To: ti-hardware@lists.ticalc.org
> Subject: Re: TI-H: RF Link Idea....
> Date: Saturday, November 02, 1996 4:08 PM
> 
> >>it probably wont work, cause i head that the transfer is asyncronous
(sp?),
> >>and walkie talkies can only transmit one side at a time... but the do
have
> >>asyncronous walkie-talkies on sale at radio shack this week... and how
are
> >>you going to get the buttons to depress at the correct times?
> 
> The reason that walkie talkies are not asynchronous is because the send
and
> recieve frequencies are the same.  To eliminate feedback, you can't
recieve
> while transmitting, and vice-versa.  I have a schematic for a very
> efficient radio transmitter that works.  All you have to do is make a
> reciever, which consists of a coil and a diode (and an amplifier if you
> want it to transmitt a long distance).  Then you would set the recieve
> frequencie of one calc to the send freq of the other calc.  If you want
it,
> I'll try to get it scanned and sent it to you.
> 
>                                    -C.J.-
> 
> 
> 
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>  
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