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ADS_Phased array_coupled oscillators - RF Cafe Forums

Because of the high maintenance needed to monitor and filter spammers from the RF Cafe Forums, I decided that it would be best to just archive the pages to make all the good information posted in the past available for review. It is unfortunate that the scumbags of the world ruin an otherwise useful venue for people wanting to exchanged useful ideas and views. It seems that the more formal social media like Facebook pretty much dominate this kind of venue anymore anyway, so if you would like to post something on RF Cafe's Facebook page, please do.

Below are all of the forum threads, including all the responses to the original posts.


 Post subject: ADS_Phased array_coupled oscillators
Posted: Thu May 10, 2007 12:33 pm 
 
Captain

Joined: Thu May 10, 2007 11:14 am
Posts: 8
Good afternoon,
I am studying electrical engineering n' computer science.I use ADS2002(Advanced Design System ) of Agilent for my final project. My diploma thesis is about linear phased array based on coupled oscillators. I am using 4 VCOs(fixed frequency oscillators by varactor) and I couple the consecutive VCOs with a coupling network, which have 2 resistors and 1 transmission line.I have many problems to simulate this circuit in ADS2002, because I do not know how I should simulate 4 VCOs which belong to the same schematic(For example,I can not understand about where the oscport should be placed, which must be only one in the whole circuit). I would like to take some figures about the transient, locking and steady state of the system and its phase dynamics. Could you help me with some advices or tutorials or anything else which will be useful for me? I really need help..

Thank you in advance, Panos


 
   
 
 Post subject: Re: ADS_Phased array_coupled oscillators
Posted: Thu May 10, 2007 12:34 pm 
 
Captain

Joined: Thu May 10, 2007 11:14 am
Posts: 8
panagiotis wrote:
Good afternoon,
I am studying electrical engineering n' computer science.I use ADS2002(Advanced Design System ) of Agilent for my final project. My final project is about linear phased array based on coupled oscillators. I am using 4 VCOs(fixed frequency oscillators by varactor) and I couple the consecutive VCOs with a coupling network, which have 2 resistors and 1 transmission line.I have many problems to simulate this circuit in ADS2002, because I do not know how I should simulate 4 VCOs which belong to the same schematic(For example,I can not understand about where the oscport should be placed, which must be only one in the whole circuit). I would like to take some figures about the transient, locking and steady state of the system and its phase dynamics. Could you help me with some advices or tutorials or anything else which will be useful for me? I really need help..

Thank you in advance, Panos




Posted  11/12/2012

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