[SI-LIST] Re: Electrical Length?
- From: Sanjeev Gupta <sanjeev.gupta@xxxxxxxxxxxxx>
- To: aaditya.kandibanda@xxxxxxxxx
- Date: Tue, 29 May 2012 21:00:35 -0700
The electrical length of a transmission line is equivalent to unwarp phase
change from input to output at the specified frequency. If the electrical
length is specified than one can compute physical TX line length providing
exact phase shift @ defined frequency. One can compute electrical delay
from electrical length as electrical_length/(freq*360) or in other words
phase_shift/(freq*360).
You can search for TRL Calibration Application Notes on Agilent Website
and you will find many examples using electrical length for VNA TRL
Calibration Kit design.
I hope this helps!
Sanjeev Gupta
Sr. Signal Integrity Technical Lead
Avago Technologies
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx]
On Behalf Of Mervin J
Sent: Tuesday, May 29, 2012 7:57 PM
To: aaditya.kandibanda@xxxxxxxxx
Cc: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re: Electrical Length?
Aaditya,
Electrical length(in lamda).i.e., wavelength is the distance the wave must
travel in order to shift its phase by 2*pi radians or 360 degree. It is
calculated in wave vs position in space plot at fixed time.
Mervin J
On 5/30/2012 4:30 AM, Bert Simonovich wrote:
> Aaditya,
>
> Think wavelength (lambda).
>
> Period of wave (sec) x velocity (m/sec) = electrical length of wave (m).
>
> Bert Simonovich,
>
> Sent from my iPhone
>
> On 2012-05-29, at 6:29 PM, Aaditya
Kandibanda<aaditya.kandibanda@xxxxxxxxx> wrote:
>
>> Hello Everyone,
>> I came across this concept called Electrical length, Could anyone
>> please explain me when, how and why is electrical length used?
>>
>> Thank you!
>> Aaditya
>>
>>
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