Hey guys,
It is said that a quarter wave transformer (the transmission line between points A & B) is used in order to:
1. Deliver all power to the load.
2. Prevent from retreating waves to reach the generator.
Regarding the following example,
I understand well that in point A, the progressing wave (that comes from the generator) fully passes the border which separtes the two transmission lines, and since the Quarter Wave Transformer is a lossless line, then all power is delivered to the load.
But:
When the progressing wave finally hits the load, only some of it is absorbed by the load (since there's no impedance matching in point B, but only in point A), and the rest of it retreats towards the generator, isn't it?
Therefore:
1. Not all power is absorbed by the load.
2. There are retreating waves who reach the generator.
Could you please help me to settle all this?
I just dont understand how a Quarter Wave Transformer helps after all.
Thanks alot.
It is said that a quarter wave transformer (the transmission line between points A & B) is used in order to:
1. Deliver all power to the load.
2. Prevent from retreating waves to reach the generator.
Regarding the following example,
I understand well that in point A, the progressing wave (that comes from the generator) fully passes the border which separtes the two transmission lines, and since the Quarter Wave Transformer is a lossless line, then all power is delivered to the load.
But:
When the progressing wave finally hits the load, only some of it is absorbed by the load (since there's no impedance matching in point B, but only in point A), and the rest of it retreats towards the generator, isn't it?
Therefore:
1. Not all power is absorbed by the load.
2. There are retreating waves who reach the generator.
Could you please help me to settle all this?
I just dont understand how a Quarter Wave Transformer helps after all.
Thanks alot.