-----Urspr=FCngliche Nachricht----- =

Von: "Alan B. Pearce" <A.B.Pearce@rl.ac.uk>
An: "Microcontroller discussion list - Public." <piclist@mit.edu>
Gesendet: Mittwoch, 15. Februar 2006 17:10
Betreff: Re: [EE] Speedometer for the model railroad - RF or IR?


> >>Alan, you wrote: "That is essentially how Marklin
> >>do their new mfx loco decoders. In their case they
> >>use a Radio Data System chip at the controller end
> >>as the receiver. AFAIK there are patents involved in
> >>this, so I suggest you don't try and make it commercially ;)"
> >
> Enrico wrote:
> >There is AFAIK no RDS chip at the controller.
> =

> There is certainly one in the mobile station. It is a Princeton technology
> Corporation PT2579 RDS Demodulator chip. It is run with a lower crystal
> frequency than normal RDS uses though.
> =


Maybe there is a misunderstanding - I meant there is no RDS chip in the bui=
lding block "mfx loco decoder" in the loco.

regards

Enrico


-- =

http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist