FreeLists / si-list / [SI-LIST] 回复： Re: Question on Obtaining Z parameter through VNA

[Ivan Zhang <ivan_zju@xxxxxxxxxxxx>]

Dear Zhangkun
 
First of all, I'd like to express my appreciation to you for your rapid 
feedback, but I was wondering how i can get these papers written by Mr. Istvan 
Novak, or the whole name of his paper. Hope you can give me some clues. Thanks.
 
Best Regards
 
Ivan
Zhangkun <zhang_kun@xxxxxxxxxx> дµÀ£º
Dear Ivan

There are several paper, written by Istvan Novak, are about this topic.

Best Regards

Zhangkun
2005.8.2
----- Original Message ----- 
From: "Ivan Zhang" 
To: 
Sent: Tuesday, August 02, 2005 11:30 AM
Subject: [SI-LIST] Question on Obtaining Z parameter through VNA


> Dear all. 
> I got to know this method by chance, however, the author of the paper doesn't 
> mention how to deduce this formula. Thus, hope someone can 
> help me. Thanks in advance.
> 
> 
> port1 port2
> -----------------------------------------------
> + | +
> |
> Z dut 
> |
> _ | _
> -----------------------------------------------
> 
> The SMA for port1 is very close to DUT as well as the SMA for port2. Get the 
> S21 through 2-port s-parameter measurement, then calculate Zdut according to 
> the formula shows below.
> S21 = Zdut/(Zdut + Zo/2) 
> Zo is the impedance of VNA, it's 50 ohms in general.
> 
> 
> 
> 
> Best Regards
> 
> Ivan
> 
> 
> ---------------------------------
> DO YOU YAHOO!?
> ÑÅ»¢Ãâ·ÑGÓÊÏ䣭ÖйúµÚÒ»¾øÎÞÀ¬»øÓʼþɧÈų¬´óÓÊÏä 
> 
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