This is honestly one of the best series and explanations I have listened to and watched. You have great ability at making seemingly complex topics lucid and comprehensible. I look forward to more in your series on electromagnetics and I think you have some great potential at really striking it big with these because they're absolutely top notch.
Very good work. Your explanations are clear and concise. These videos will please to engineers. It's difficult to explain the S parameters to electronic engineers.
not exactly get the “simple circuit analysis”, as I understand, you use KVL, where you find the current looking from port 1: which is V1 divided by Z1 + Z2||(Z3+Z0), and from port 2: V2 divided by Z2||(Z3+Z0), and I have no idea, why do you multiply the right part of this 2:03 equation by Z0/(Z3+Z0)
Z0 depends on Z1, Z2 and Z3. To be matched: Z0 (the one on the right hand side) has to be Z3 + Z2 || Z1, provided the source is an ideal voltage source. Or am I wrong?
Z0 is the characteristic impedance at the port - the ratio of voltage to current in the outgoing wave. It doesn't have anything to do with the internal resistors.
The characteristic impedance of a port is the characteristic impedance of the connector (maybe an SMA connector, like this: fieldcomponents.com/sma-male-to-sma-female-connectors-rg178-cable-assembly.html) that is attached at that port and allows you to input and output signals from the system under test.
This is honestly one of the best series and explanations I have listened to and watched. You have great ability at making seemingly complex topics lucid and comprehensible. I look forward to more in your series on electromagnetics and I think you have some great potential at really striking it big with these because they're absolutely top notch.
Thank you!
I think this is one of the most useful vídeos I’ve seen during my career
extremely clear work-through of the problem. You are an outstanding teacher, thank you!
A very helpful video. Thank you for the work
Hey, Dr. Leigh. Thank you very much for this quality content. We need more of it! Very useful when you are a bit rusty on these topics. Cheerio!
You're very welcome, and thank you - I appreciate the comment!
Thank you! I needed a refresher and stumbled upon your videos! Concise and clear. Really well done! Thank's again!
I'm glad it helped! Thanks for the comment!
I have completed my RF module examination and managed to get A- thanks to you prof..🙏🙏
Congratulations! Thanks for the feedback!
Very good work. Your explanations are clear and concise. These videos will please to engineers. It's difficult to explain the S parameters to electronic engineers.
This was super helpful! You're awesome!
Thanks for the detailed explanation
Extremely helpful!
😘😘😘you are teaching better than my professor 🤗😊
not exactly get the “simple circuit analysis”, as I understand, you use KVL, where you find the current looking from port 1: which is V1 divided by Z1 + Z2||(Z3+Z0), and from port 2: V2 divided by Z2||(Z3+Z0), and I have no idea, why do you multiply the right part of this 2:03 equation by Z0/(Z3+Z0)
Very informative.
Thanks!
Good information
Thank you!
Excellent
How can I calculate the S parameters of a quarter wave transformer?
Z0 depends on Z1, Z2 and Z3. To be matched: Z0 (the one on the right hand side) has to be Z3 + Z2 || Z1, provided the source is an ideal voltage source. Or am I wrong?
Z0 is the characteristic impedance at the port - the ratio of voltage to current in the outgoing wave. It doesn't have anything to do with the internal resistors.
@@emviso Thanks - got it! I was conceptually wrong.
what is the characteristic impedance of a port?
The characteristic impedance of a port is the characteristic impedance of the connector (maybe an SMA connector, like this: fieldcomponents.com/sma-male-to-sma-female-connectors-rg178-cable-assembly.html) that is attached at that port and allows you to input and output signals from the system under test.
In my understanding T=(Zo-Zin)/(Zo+Zin) Or am I wrong?
nice