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October 10th 05, 08:48 PM
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Receiver bandwidth
Hi,
I have bought a 45MHz crystal filter with a bandwidth of +/-10KHz, according to the spec. Now does this mean a real bandwidth of 20KHz? If so when a receiver states a bandwidth of 7KHz, is that +/-7KHz, ie 14KHz? If I am designing a good communications receiver from 6KHz-30MHz to receive AM, SSB and CW and want 2 good filters, what are the bandwidths I should consider? Thanks, John. |
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