yefj's latest activity

Hello, alyasing by nyquist theorem where we have analog signal at some frequency and we sample it at some rate so we need the sample...

Hello ,few questions regarding your good presentation: 1.reflection coefficient is shown in the formula, If we know Zo then if we know...

Hello Baluncore,I have made the three transmission line 50Ohms and kept the capacitative mismatch as shown in the photo below. Why on...

Hello Baluncore ,regarding your good explanantions Two questions: 1. I have made the three transmission line 50Ohms and kept the...

Hello Baluncore,regarding this good simulation, few questions: 1.The most important is,How do you see that the echo from the right side...

Hello Baluncore,two questions regarding your good advices. 1.How do you convert mathematickally voltage 0-1 into reflection coeeficient...

Hello Baluncore, regarding your good advices: 1.you said that 0.5V is ρ = 0.so I assume you are doing voltage divider math. Where the...

Hello baluncore,few questions: 1.What is the math for 0.5V , with ρ = 0, at Zo. 2.in straight cable its easy velocity factor. What about...

Hello, there are many fixture removing methods . I got this keysight support answer for my N5224B PNA. I know there is 2X method, 1x...

Hello Baluncore,few questions: 1.why making pulse rise time shorter make tdr better? 2.I have transformed into time domain step...

hello balun core_I have attached the tdr in linear scale few questions: 1.what is meaning of the y axes? for example marker 2 of the...

Hello , lets take a simpler case, I have an open on the end of the cable so reflection is -1. so the reflected signal cacels the...

Hello, my pna port1 is connected to a resonator. the resonator is connected to pna threw a good line 30cm long. I made S11 of 10Mhz to...

The cancellation occurs where the stub joins the line between port 1 and port 2. The forward wave in the stub is reflected from the...

Hello baluncore , from reading at the following link resonance is a situation when we have standing waves. is this what happens here...