[Ronja] What is holding back 100 mbps

[J.D. Bakker]

>  > > I start this thread to exactly pin point the problems of a 100 
>Mbps RONJA.
>>  > Let us reach to a conclusion as to what exactly must be modified.
>>  >
>>  > Let us start with the LED,
>>  > 1. To transmit at 100 mbps,we must find an LED which can switch on and off
>>  > in 1 ns.
>that's not neccessariliy true. if you wanna use 2-level encoded 
>signals like now ,you'd run into several problems.
>first is you would have to change the encoding of the MLT3 signal to 
>2-level signal which is suited for optical transmission. in easiest 
>case manchester code.
>which would result in a 0.5ns signal-time.

Why does a 100Mbit Manchester encoded signal (with 10ns per bit) have 
a 0.5ns signal-time? Methinks you are off by an order of magnitude.

JDB
[not that you'd want to use Manchester if you can help it...]
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