RE: RF in TINI Board

Hi all-

 Lot of discussion went around  on this topic. I picked up whatever little I 
can from your input :). Good..

Suresh


>===== Original Message From "Joel Winarske" 
><joelw-RfnZ/IetPaS9TMao6EloiEEOCMrvLtNR@xxxxxxxxxxxxxxxx> =====
>Good solution for this is to use CPLD to abstract bus into desired
>interface.
>Also can provide benefit in taking some load off CPU depending on how it's
>done.
>
>Joel W.
>
>----- Original Message -----
>From: "Marc Nicholas" <marc-uEr7QD5cFFrZKC0ZTTeLDg@xxxxxxxxxxxxxxxx>
>To: "Baker Fred-AFB012" <Fred.Baker-3WKxDLwmzFNWk0Htik3J/w@xxxxxxxxxxxxxxxx>; 
>"'Joel Winarske '"
><joelw-RfnZ/IetPaS9TMao6EloiEEOCMrvLtNR@xxxxxxxxxxxxxxxx>; "'Suresh Purini '" 
><suresh1@xxxxxxxxxxxxx>
>Cc: <TINI-6tN4nzCoH/hBDgjK7y7TUQ@xxxxxxxxxxxxxxxx>
>Sent: Thursday, June 26, 2003 2:30 PM
>Subject: Re: [TINI] RF in TINI Board
>
>
>> Take an output pin from the TINI...run it into an op amp...connect to a
>> Pringles can. Take a wire from the Pringles can back to a TINI input pin.
>>
>> Et voila! Instant RF networking ;-)
>>
>> On a more serious note, Suresh wanted to be able to control the link
>> layer...which, AFAIK, a Bluetooth "dongle" wont let him do...
>>
>> But then using an RF modem with a databus interface also poses problems as
>> the TINI bus ain't the easiest thing in the world to work with.
>>
>> -marc
>>
>> On 26/6/03 17:22, "Baker Fred-AFB012" 
>> <Fred.Baker-3WKxDLwmzFNWk0Htik3J/w@xxxxxxxxxxxxxxxx> wrote:
>>
>> > Hi,
>> > I think the previous requirement of battery operation
>> > would rule out most higher bandwidth solutions (like 802.11).
>> > A data rate of the serial port on Tini can't even match
>> > most serial-BT dongles ~115.2Kbaud-720Kbaud(flat out).
>> > Fred Baker
>> >
>> > -----Original Message-----
>> > From: Joel Winarske
>> > To: Suresh Purini
>> > Cc: marc-uEr7QD5cFFrZKC0ZTTeLDg@xxxxxxxxxxxxxxxx; TINI@xxxxxxxxxxx
>> > Sent: 6/26/03 3:53 PM
>> > Subject: Re: [TINI] RF in TINI Board
>> >
>> > IR - Infra Red is line of sight and is not radio frequency spectrum.
>> >
>> > As Fred stated:
>> > "Class-1 BT is higher power for a range of up to ~100m and
>> > penetrates many office obstacles (walls, partitions, etc)
>> > just like your 2.4GHz portable phone, just very low power.
>> > Works in handhelds like PDAs very nicely."
>> >
>> > What type of distance do you need to cover?
>> > Bandwidth and distance are generally the main factors for picking an RF
>> > technology.
>> >
>> > Joel W.
>> >
>> > ----- Original Message -----
>> > From: "Suresh Purini" <suresh1-rEkehDDEPI54piUD7e9S/g@xxxxxxxxxxxxxxxx>
>> > To: "Joel Winarske" 
>> > <joelw-RfnZ/IetPaS9TMao6EloiEEOCMrvLtNR@xxxxxxxxxxxxxxxx>
>> > Cc: <marc-uEr7QD5cFFrZKC0ZTTeLDg@xxxxxxxxxxxxxxxx>; "Suresh Purini" 
>> > <suresh1@xxxxxxxxxxxxx>;
>> > <TINI-6tN4nzCoH/hBDgjK7y7TUQ@xxxxxxxxxxxxxxxx>
>> > Sent: Thursday, June 26, 2003 1:40 PM
>> > Subject: Re: [TINI] RF in TINI Board
>> >
>> >
>> >>
>> >> Joel,
>> >>
>> >>> Suresh what type of radio are you looking at implementing as there
>> > are
>> > many
>> >>> possible solutions?
>> >>
>> >> Actually speaking I have no idea. But I thought/understood is I may be
>> >> using the ISM band. Any RF interface will serve.
>> >>
>> >> Also as i understand, IR requires Line of Sight for communication
>> > right.
>> >> But I want to use a broadcast medium.
>> >>
>> >> Thanks Joel.
>> >>
>> >> Suresh
>> >>
>> >>
>> >>
>> >
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>>
>>
>> --------------------------------------------------
>> Marc Nicholas Geekythings Inc. C/416.543.4896
>> UNIX, Database, Security and Networking Consulting
>>
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>
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