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CW sidebands
Les Brown
Member ✭✭
When keying the Flex 6500 transmitter with a key plugged into the 6500, is it normal to see on the panadapter not only a peak at the selected transmit frequency but also side lobes at about plus/minus 6 kHz from the main peak, attenuated by something like 40 dB?
0
Answers
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Les: On my 6700 they are more like 80 db down from the peak. 73, Tom K1FR0
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Yes, what you are describing is normal.0
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Tim,
Thanks for the quick response. My next question is somewhat delayed because I was in Korea last week.
What is the cause of the sidebands at about plus/minus 6 kHz from the main carrier? Does it represent an actual transmitted signal or is it a receiver anomaly?
Les, VE3ABN
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They are artifacts from receiving the transmitted signal internally in the radio. They are NOT transmitted as RF, hence my characterization as being artifacts.0
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