[SI-LIST] Re: Zo vs Zin
- From: "GEORGE VARGHESE" <rfengg@xxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx, edpc108@xxxxxxxxx
- Date: Thu, 13 Mar 2003 01:55:04 +1100
Jaya,
The charateristic impedance defines the (l/c)raised to 1/2 ratio of
the line per unit length. The input impedance of the line is what you get
looking into the line when its terminated by a load which could vary from 0 to
infinity resistive/reactive. When you have a termination of Zo at the load end
, the i/p impedance is Zo too.......in all other cases the line modifies the
impedance as per the transmission line eq: that you will find in books. However
for multiples of lambda/2 of line length you will find the input impedance the
same as the terminating impedance.
Regards,
George
--
On Wed, 12 Mar 2003 14:13:43
Jayaprakash Balachandran wrote:
>
>Dear SIers,
>
> What is the difference between characteristic
>impedance and input impedance in a transmission line?
>
>Thanks in advance,
>Jayaprakash.
>
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