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can we receive regular AM broadcast....
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aliumair926



Joined: 21 Apr 2009
Posts: 28
Post02 Jul 2009 17:24   

can we receive regular AM broadcast....
can we receive regular AM broadcast transmission with a DRM receiver? or DRM has its separate broadcast?... I am unable to understand it...kindly help
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Post02 Jul 2009 17:24   

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vfone



Joined: 10 Oct 2001
Posts: 2284
Helped: 320
Post03 Jul 2009 7:38   

Re: can we receive regular AM broadcast....
Digital Radio Mondiale (DRM) use COFDM modulation. To receive standard AM have to demodulate the signal before the digital demodulator. Some superheterodyne receivers convert the last IF in a very low one (12kHz) and feed direct the BB processor. In this case an option to demodulate standard AM signals is to pick-up the signal from the previous IF, amplify and demodulate.
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