[Ronja] What is holding back 100 mbps

stoiko at mail.bg stoiko at mail.bg
Fri Feb 22 07:36:34 GMT 2008


:)

http://aldebaran.feld.cvut.cz/~xmyslik/crusader/

search :)


>       Can you tell us, please, at least which chipset from MAXIM it
> is?
> Thanks
>
> PK
>
> CD930 napsal(a):     SORRY...NO, MAYBE LATER. BUT...TX,RX IS MAXIM
> CHIPSET, MEDIACONVERTOR MARVELL 1108  (BEFORE USED MICRO-LINEAR),
> LASER IS 870NM/10MW AND PHOTODIODE IS PDB-C102. TESTED (TX LENS 11CM,
> RX FRESNEL LENS 20CM) ON 2500M. RSSI GO TO AD AND ATMEL CPU (LCD AND
> RS232C). M.    ----- ORIGINAL MESSAGE -----  FROM: Deepak Mishra  TO:
> Twibright Ronja  SENT: Thursday, February 21, 2008 9:48 AM SUBJECT:
> Re: [Ronja] What is holding back 100 mbps
>  Hi CD930,
> Sure dont release the PCB, but you could give us suggestions on
> improving the RONJA design to 100 Mbps.
> You could point us in the right direction, like the modulation
> technique to use, coding technique, or LED used ,or lasers, other
> pitfalls you encountered ?
> Would you like to support a "free" cause ?
>
> Regards,
> Deepak
>
> On 21/02/2008, CD930 <cd930 at centrum.cz> wrote: Hi Vladimir.
> Sorry, this development was for one firm from our city.
> I must not publish circuit PCB  :(
> But....some ideas i am here publish along the years.
>
> In future looking on 1Gpbs..... avalanche photodiode with 200V dc
> :)))
> roung again  toy gadget.
>
> Martin
>
> ----- Original Message -----
> From: "Vladimir Obradovic" <lepiaf at bgwireless.net>
> To: "ronja-request at lists.pointless.net" <ronja at lists.pointless.net>
> Sent: Thursday, February 21, 2008 1:35 AM
> Subject: Re: [Ronja] What is holding back 100 mbps
>
>>
>
>>> From: "CD930" <cd930 at centrum.cz>
>>> I tested on MAXIM and MARVELL chip-set....
>>> http://www.youtube.com/watch?v=9h3hDm32kv4
>>> http://www.youtube.com/watch?v=YcjaJhMHcNk
>>
>>> TX can by IR-LED, but with short peak to 1ns......
>>> http://www.roithner-laser.com/LED_MID_IR.htm    or
>>> http://www.roithner-laser.com/LED_HP_single_chip.html
>>
>>> I am after tested go to laser diode, it is simply.
>>> Martin
>>
>> Nice demo Martin, is there some chance that documentation, tips or
>> howtos be available about this project some time in future? Any
> plans
>> for some kind of open hardware licence like Ronja is, or it will be
>> yet another of those projects that inherit Ronja's ideas/hw, show
> some
>> good
>> stuff and then go into some factory for big bucks only :) ? No
> wonder
>> why Cl always gets upset when ppl start asking about 100mbps or
> xtra
>> range versions :)
>>
>> cya
>> LePiaf
>>
>>
>> --
>> Twibright Ronja mailing list http://ronja.twibright.com
>> Ronja at lists.pointless.net
>> http://pointless.net/mailman/listinfo/ronja
>>
>>
>
> --
> Twibright Ronja mailing list http://ronja.twibright.com
> Ronja at lists.pointless.net
> http://pointless.net/mailman/listinfo/ronja
>
> -------------------------
> --
> Twibright Ronja mailing list http://ronja.twibright.com
> Ronja at lists.pointless.net
> http://pointless.net/mailman/listinfo/ronja
>



-------------------------------------
Powered by Mail.BG - http://mail.bg




More information about the Ronja mailing list