40dBm - 6 dB + 10dB - Lprop > -100dBm
are you solving for Lprop?
-Lprop > -100dBm - 40dBm + 6dB - 10dB
-Lprop > -144 dBm - 4dB
Lprop < 144dBm + 4dB
I'm having a difficult time trying to solve something that should be very easy.
I have the following:
40dBm - 6 dB + 10dB - Lprop > -100dBm
Now, the answer should be Lprop < -144dB, but I'm getting messed up with the signs.
I'm trying to move the -100dBm to the left part of the inequation and I think there is where I'm doing it wrong. If I move it to the other part with a + signus, then I'm adding dBm with dBm and, that doesn't make sense, as they would be mW^2 and Lprop is unitless.
What should happen somehow is that I would need to substract dBm - dBm in order to get dB, but I can't figure this out.
Could someone make the solution of this step by step and providing as much information as posible? That would be of great help thank you!
2 answers
40dBm - 6 dB + 10dB - Lprop > -100dBm
Your dBm's will never cancel out... regardless of what side you bring them too.
Do you have to convert your dB's to dBm's first??
hmmm....
Your dBm's will never cancel out... regardless of what side you bring them too.
Do you have to convert your dB's to dBm's first??
hmmm....