yefj's latest activity
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Yyefj posted the thread proper way to export s2p for 100ohm differential line simulation in Electrical Engineering.Hello,I have built a structure as you can see the differential excitation is creating characterictic impedance of 100 and 120 ohms on...
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Yyefj replied to the thread Watching port impedance in the a field monitor values.I mean in general, we have transient field solvers . can i see the port impedance in the E/H of a transient field monitors. I have a...
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Yyefj posted the thread Watching port impedance in the a field monitor values in Electrical Engineering.Hello ,I have a basic dipole antenna with 70 ohm port. I put time domain H-field and E-field monitors. does dividing the real values...
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Yyefj posted the thread Interpreting s parameters for different line lengths for a curved differential pair in Electrical Engineering.Hello , I have simulated a basic two situations. The first is straight differential line. The second is curved differential line. The...
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Yyefj posted the thread Potential wrong crosstalk measurement result with faulty vna cable in Electrical Engineering.Hello , I have a PCB when I am doing NEXT tests of victim agressor on two differential lines. The opposite end of the lines is...
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Yyefj replied to the thread Solderless SMA screw mounting RF issues.Its end launch 1.85 connector. I have wera 851/9C 1 PHO which is Ncm, 8in-lb is 11Ncm.If i put 11 its too hard on the connector I feel...
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Yyefj replied to the thread Solderless SMA screw mounting RF issues.Hello Balun core ,i cant find nowhere the torque needed to connect the cable to the connector and what toque to use . can you give some...
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YHello,I have a PNA which works till 120GHz I use a 1mm to 1.85mm adapter to measure till 67GHz 1.85 SMA. I need to measure a...
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Yyefj replied to the thread Changing PCB trace pitch as a way to controll sdd21.Hello Baluncore, I was told that there are two kinds of differential lines. Neck Down and Loosly Coupled. The difference between them is...
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Yyefj posted the thread Changing PCB trace pitch as a way to controll sdd21 in Electrical Engineering.Hello , I tried to build a differential line and controll the SDD21 as shown in the photo. SDD21=S21-S41 i tried to increase the...
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Yyefj replied to the thread Strategy to color crosstalk source.Hello,is there a way to model crosstalk using ADs transmission line models shown below? Thanks.
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Yyefj posted the thread Combining several deembeding methods to make a more acurate result for s-parameters in Electrical Engineering.Hello , I have built a script by the method described in the article. it has dut with two fixtures on both side. I have...
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Yyefj replied to the thread Strategy to color crosstalk source.Hello Baluncore,I have am trying to visualise this situation using a simpler case in another article shown below. As you can see in the...
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Yyefj replied to the thread Strategy to color crosstalk source.Hello Baluncore, this is very intresting ,regarding the NEXT. When we have sudden rise in voltage it couples as sudden rise of voltage...
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Yyefj replied to the thread Strategy to color crosstalk source.Hello , I saw this very intresting article atatched regarding cross talk in miander lines. Why in differential lines Fext is acting by...
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