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#1
November 22nd 07, 07:28 AM
posted to rec.radio.shortwave
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NRD-515 MW attenuator
Can you believe it? They actually put a full-time attenuator in the MW
range. That's why when you tuned from 600kHz to 599kHz the signal came up. It's because of the 5dB attenuator. Out it goes! Pete |
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#2
November 22nd 07, 10:09 AM
posted to rec.radio.shortwave
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NRD-515 MW attenuator
I just finished removing that attenuator. Now, there is only a 3dB
difference between the MW range and adjacent ranges. This would make sense, since Varactor diodes don't have quite the Q that the other filter ranges would have, with their silver mica caps. It's definitely much better now. Pete "Pete KE9OA" wrote in message ... Can you believe it? They actually put a full-time attenuator in the MW range. That's why when you tuned from 600kHz to 599kHz the signal came up. It's because of the 5dB attenuator. Out it goes! Pete |
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