Jan 5, 2011 #1 P plagat Newbie level 3 Joined Jan 2, 2011 Messages 4 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,312 but i need to have square patch with truncated corner,(at least rectangular patch with trunc. cor.) now it look like this as i mentioned before,need circular polarization, instead that linear i have. but dont know how
but i need to have square patch with truncated corner,(at least rectangular patch with trunc. cor.) now it look like this as i mentioned before,need circular polarization, instead that linear i have. but dont know how
Jan 5, 2011 #2 U urnagendra Newbie level 5 Joined Oct 23, 2007 Messages 10 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Location Hyderabad, INDIA Activity points 1,329 to get circular polarization you need to feed the same signal with 90 deg phase shift. Please find the fig https://obrazki.elektroda.pl/14_1294226630.jpg need to divide the power equally and need to feed as shown in figure...
to get circular polarization you need to feed the same signal with 90 deg phase shift. Please find the fig https://obrazki.elektroda.pl/14_1294226630.jpg need to divide the power equally and need to feed as shown in figure...
Jan 5, 2011 #3 K Kohi_boy Full Member level 4 Joined Apr 20, 2008 Messages 206 Helped 39 Reputation 78 Reaction score 23 Trophy points 1,298 Activity points 2,093 That is for the dual feed model. For the single feed, you have to adjust the amount of truncation until you get the required results.
That is for the dual feed model. For the single feed, you have to adjust the amount of truncation until you get the required results.
Jan 5, 2011 #4 U urnagendra Newbie level 5 Joined Oct 23, 2007 Messages 10 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Location Hyderabad, INDIA Activity points 1,329 did u tried with coaxial feed in diagonal
Jan 5, 2011 #5 P plagat Newbie level 3 Joined Jan 2, 2011 Messages 4 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,312 i am trying and trying,without succes i ad dimensions to the previous patch image,(maybe is something wrong) dielectric material kuprextit FR4... Er=4.4; tan delta=0.03; h=1.58mm height of copper is h=0.035mm resonant f=2560MHz Last edited: Jan 6, 2011
i am trying and trying,without succes i ad dimensions to the previous patch image,(maybe is something wrong) dielectric material kuprextit FR4... Er=4.4; tan delta=0.03; h=1.58mm height of copper is h=0.035mm resonant f=2560MHz
Jan 6, 2011 #6 U urnagendra Newbie level 5 Joined Oct 23, 2007 Messages 10 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Location Hyderabad, INDIA Activity points 1,329 Is it possiable to share dielectric material properties and frequency of operation? Nagendra.