J
jjimenez101
Guest
Hello,
I need someone to clear something up for me:
For example, if there is a signal source connected to a transmission line ( assuming a loss-less line ), and at the end of the transmission line we have a transmitting antenna ( assuming an antenna with 100% efficiency ). Ok, so in order to supply the antenna with the total or maximum amount of power from the source, since the antenna acts as a load impedance, the antenna impedance needs to match the transmission line impedance, this way the coefficient of reflection is 0.
Now, other references that I have read state that the load impedance needs to match the source impedance in order for the load to recieve the maximum amount of power from the source. If they do not match, we can put a transformer ( with appropriate turns ratio ) in between the source and the load to "fool" the source into thinking that both impedances match.
So what is the most important impedance matching to consider when dealing with these applications? Is is the matching of the source to load, or load to transmission line?
Thank you
I need someone to clear something up for me:
For example, if there is a signal source connected to a transmission line ( assuming a loss-less line ), and at the end of the transmission line we have a transmitting antenna ( assuming an antenna with 100% efficiency ). Ok, so in order to supply the antenna with the total or maximum amount of power from the source, since the antenna acts as a load impedance, the antenna impedance needs to match the transmission line impedance, this way the coefficient of reflection is 0.
Now, other references that I have read state that the load impedance needs to match the source impedance in order for the load to recieve the maximum amount of power from the source. If they do not match, we can put a transformer ( with appropriate turns ratio ) in between the source and the load to "fool" the source into thinking that both impedances match.
So what is the most important impedance matching to consider when dealing with these applications? Is is the matching of the source to load, or load to transmission line?
Thank you