Re: TI-H: RF Link Idea....
[Prev][Next][Index][Thread]
And can you draw a schematic for a receiver? It sound like I put a crystal
(?) that operates on the same freq as the sender, and attach it to the
receiving coil. Right?
----------
> 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.-
>
>
>
> ********************************************************************
> Unsolicited commercial e-mail to the poster of this message
> will be proofread at $70/hr, minimum charge $150. Submission
> of such e-mail to this address will suffice as contractual assent
> to the said charging schedule.
> ********************************************************************
>
>
>
References: