db relation TX/RX - RadioBanter

#10

July 20th 09, 07:13 AM posted to rec.radio.amateur.antenna

Owen Duffy Owen Duffy is offline

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db relation TX/RX

"Sal M. Onella" wrote in
:

....
Chart values do decrease at 6 dB per S-unit but the chart sets -72
dBm/56.8 uV as S-9, vice 73 dBm, 50 uV. 1 dB isn't much to quibble
about, but it does make me inquire about the source of the data.

Actually, it is 146dB lower than that... 50µV in 50 ohms is -73dBm.

Owen

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