If a source of voltage has an impedance of 50 Ω and is connected to a load of 400 Ω, the reflection coefficient (RC) = (400 - 50) ÷ (400 + 50) = 0.778.
The resultant return loss (RL) = 20.log(RC) = 20 X 0.778 = 2.2 dB approx.
So on that basis, I would say that the effect due to the mis-match is not ignorable, but, on the other hand, is not likely to cause a significant problem in practice. Personally, I would choose a broadband impedance matching transformer.
Al.
The resultant return loss (RL) = 20.log(RC) = 20 X 0.778 = 2.2 dB approx.
So on that basis, I would say that the effect due to the mis-match is not ignorable, but, on the other hand, is not likely to cause a significant problem in practice. Personally, I would choose a broadband impedance matching transformer.
Al.
