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#11
July 1st 07, 03:14 PM
posted to sci.electronics.basics,rec.radio.shortwave,rec.radio.amateur.antenna,alt.cellular.cingular,alt.internet.wireless
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AM electromagnetic waves: 20 KHz modulation frequency on anastronomically-low carrier frequency
On 6/30/07 11:25 PM, in article , "John Smith
I" wrote: Radium wrote: ... You miss the simple point, the dc is the carrier ... instead of dc, you could put a 1 hz signal on the line and modulate it with your voice, indeed, you can put a 30 hz signal on the line and modulate it with your voice--if you can tollerate a bad 30 hz hum! But, who knows, perhaps you are tone deaf to the 30 hz hum and would like it ... JS But you miss the basic point...... The topic was Amplitude Modulation. |
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