-----Original Message-----
From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu]On Behalf
Of Hasan Khan
Sent: Friday, December 01, 2006 10:02 AM
To: PIC List
Subject: [EE] Transmission on twisted pair


Hi,
I need to transmit a digital signal over a distance of about 150ft.  I did some research on google and  I am thinking of transmitting the signal over RS485 twisted pair standard.  The signal will be digitized audio done by a PIC.  Supposing audio ranges from 20Hz to 4KHz, and sampling at 8KHz, RS485 should be able to handle the bandwidth easily.

My questions, first, is there anything fundamentally wrong with this approach? 

>
No
<

Second, will RS485 work reliably without loss of data over 150ft of twisted pair?

Yes just use cat6 cable it is more twisted then cat5 and make sure each node
is terminated with 50-100 ohm resistor.
 
Thanks.

you welcome 

Andre


-Hasan Khan


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