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In article , "Michael A. Terrell" wrote:
duckman wrote: Had a question for open discussion Is there available, can it be done to have an AM and/ and or FM transmitter that will broadcast over the entire AM and FM broadcast band at the same time. Or at least multiple stations. E.G. From 88 - 108 at once or 88-98, then 98-108 Same on AM band. It would have to be a low power to be able to be used on private property and limiy range to 300 mtrs Can this be done, where can l buy it, or how do l make it Told you it was a dousy of a question, whats your thoughts. Not with a single transmitter. You could build a comb generator and modulate it for AM, but the quality would be poor For FM you either need separate transmitters, or modulate the signal and mix it with a separate oscillator for each channel. The big question is why you would want to do it. You could generate it at one channel in the middle of the band then sample it at 200 kHz to create replica spectra at the 200 kHz spacing. Probably will need to keep the sampling pulse relatively narrow to avoid too much sinc(x) roll-off. Any amplifiers after that point would need to support the entire bandwidth. Dr. G. |
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