> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On
Behalf
> Of Michael Watterson
> Sent: 13 May 2010 13:01
> To: Microcontroller discussion list - Public.
> Subject: Re: [EE] 315MHz vs 434MHz
> 
> Michael Rigby-Jones wrote:
> >
> > That depends on your requirements of course, but you can get very
useful
> > results using a standard USART with DC balanced data IME.  In fact
your
> > last statement regarding bandwidth goes against Manchester,
>
> no, Manchester encoding is a frequency shift x2. It doesn't change the
> bandwidth at all.

Of course it does, you have to transmit twice as many transitions per
bit compared to an NRZ signal!

Mike

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