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  Adjacent channel power - RF Cafe Forums

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 Post subject: Adjacent channel power
Posted: Wed Mar 09, 2005 9:00 am 
Hi everyone!

I have a small question, when comparing two transceiver chips, I read something about Adjacent channel power (ACP). Can anyone tell me what Adjacent channel power means?

And for a good performance, is it beter to have a high or low ACP??

Tranks!

Enno.


 
  
 
 Post subject:
Posted: Sat Mar 12, 2005 10:16 pm 
 
Site Admin
User avatar

Joined: Sun Aug 03, 2003 2:02 pm
Posts: 451
Location: Erie, PA
Greetings Mr. Enno:

As the name suggests, adjacent channel power is the amount of power a transmitter allows to "bleed" into the channel just above and below it. Lower ACPs are always better, because it means you are not as likely to interfere with a co-existing system trying to operate in the same frequency space.

Here is an illustration that uses co-existence of Zigbee with WiFi. Bluetooth could also be added to the picture because like ZigBee, it uses a frequency-hopping spread spectrum scheme.

http://www.xbow.com/Products/Product_pd ... erence.pdf



- Kirt Blattenberger :smt024





Posted  11/12/2012

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