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how can i determine if the FM is narrow or wide band?
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anwer_sbh



Joined: 11 Jul 2006
Posts: 92
Location: iraq
Post03 Apr 2007 7:09   

how can i determine if the FM is narrow or wide band?
how can i determine if the FM is narrow or wide band?
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Post03 Apr 2007 7:09   

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khouly



Joined: 20 Oct 2003
Posts: 2479
Helped: 343
Location: EGYPT
Post03 Apr 2007 7:25   

Re: how can i determine if the FM is narrow or wide band?
check the BW of the signal , if the BW is like AM , it is narrow band FM and if it isn't it is wide band

khouly
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pankajdudulwar



Joined: 30 Mar 2006
Posts: 134
Helped: 2
Post03 Apr 2007 9:30   

how can i determine if the FM is narrow or wide band?
Depending on the bandwidth of the signal required by the Digital part (DSP). Generally FM have about 270KHz of bandwidth for a signal with IF 384KHz
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vfone



Joined: 10 Oct 2001
Posts: 2328
Helped: 327
Post03 Apr 2007 11:12   

Re: how can i determine if the FM is narrow or wide band?
Usually only broadcast transmitters are using WFM, when other types of standard FM communications use NFM (two-way radios, analog cell phones, cordless phones, etc).
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