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degenerate mode antenna theory
hi every body!! i wanted degenerate mode antenna theory and detail delicatehelp me pleases u can introduction book for me thank you and waiting...
RF, Microwave, Antennas and Optics :: 20 Nov 2009 8:36 :: KRISz :: Replies: 4 :: Views: 108
any antenna using 3d-fdtd method
hello everybody..............i want to solve the antenna parameters like return loss curve , input impedance and far field of probe feed rectangular dra and i am unable to solve so plz help me .............plz send me fully calculation of any antenna...
RF, Microwave, Antennas and Optics :: 19 Nov 2009 19:53 :: pappumaity :: Replies: 1 :: Views: 159
rectangular dielectric resonant antenna using cpw feed
i am a student trying to simulate a rectangular dielectric resonant antenna using cpw feed method on hfss but cant figure out how to assign the boundary conditions, radiation conditions, radiation airbox...etc etc...i donno anything........plz help m...
RF, Microwave, Antennas and Optics :: 19 Nov 2009 19:43 :: pappumaity :: Replies: 5 :: Views: 486
ns2 extension with directional antennas
i have a small problem in my simulation, i appreciate if you could help me in debugging this. i am working on topology control and power saving in ad-hoc networks using directional antennas. recently we found a patch for ns2.30 along with a directio...
Network :: 19 Nov 2009 17:45 :: DianaLinda :: Replies: 6 :: Views: 1704
second harmonic in gsm(900)
in gsm 900, the gsm modem i am using has a radiated second harmonic more than -30 dbm (violates etsi). testing the modem revealed that the conducted second harmonic at 1800 was -42 dbm. my antenna gain at 1800 is 3 dbm. i am not sure where the 9 db g...
RF, Microwave, Antennas and Optics :: 19 Nov 2009 15:52 :: Wilson_yu_chen :: Replies: 8 :: Views: 807
microsrip antenna book need
hii need microstrip antenna theory and design by j. r. james, peter s. hall, colin wood. anyone has the link where to download plz help memy mail id ispanda.asit@gmail.com...
RF, Microwave, Antennas and Optics :: 19 Nov 2009 13:05 :: amir88 :: Replies: 1 :: Views: 84
wimax antenna requirement
hi all,i plan to do master degree in antenna for wimax application. i need your guidance on the list below:-1) should i go for mobile or fixed antenna for wimax?2) what kind of specification and limitation for either both above, for example frequency...
RF, Microwave, Antennas and Optics :: 19 Nov 2009 3:30 :: adesiregar_ps :: Replies: 1 :: Views: 267
tem horn antenna in ansoft hfss?
can everybody give me a simulation of tem horn antenna in ansoft hfss?...
RF, Microwave, Antennas and Optics :: 18 Nov 2009 21:11 :: muj-X :: Replies: 4 :: Views: 216
final year project in rf/microwaves/antenna designing
i wish to do my final year project in rf/microwaves/antenna designing. i would like you guys to suggest some good topics for tht. thanks.............
RF, Microwave, Antennas and Optics :: 18 Nov 2009 14:54 :: biff44 :: Replies: 7 :: Views: 255
awr- error in plotting antenna plot
this is jibranim using awr-mwo version 6.51 to design reconfigurable smart microstrip patch antenna with switchable polarization for ism band.im unable to get an antenna plot..when ever i add a graph by following proceduregraph>add graph> antenna plo...
EDA Jobs, Promotions, Advertising :: 18 Nov 2009 10:23 :: callmejib :: Replies: 1 :: Views: 99
stacked microstrip antenna?
hi, everyone. i am wondering are there any good reference for designing stacked microstrip antenna? why the bandwidth of the microstrip antenna can be enhanced by adding parasitic patch? thanks.~~...
RF, Microwave, Antennas and Optics :: 18 Nov 2009 9:34 :: mithya :: Replies: 3 :: Views: 234
coaxial feeding printed antenna
hello;im going to design a printed antenna withcoaxial feeding resonants at 3 and 5.5 ghz at the same time.i modelled this antenna with cst and hfss respectively. simulation results are fitting. so i fabricate this antenna and get the measurement res...
Electromagnetic Design and Simulation :: 17 Nov 2009 19:32 :: FvM :: Replies: 1 :: Views: 63
patch antenna array in hfss
how can i make an antenna array using hfss.i want to know where should i start and how can i implement corporate feed in my design.i am making a planar array of 16 elements.(patch antennas)....
RF, Microwave, Antennas and Optics :: 17 Nov 2009 18:04 :: rotmanlens :: Replies: 8 :: Views: 699
printed dipole antenna with balun
hello,could someone help me to check whether my design is working or not? im still new with hfss and im trying to design a printed dipole antenna to works at 21.ghz. thank you....
Electromagnetic Design and Simulation :: 17 Nov 2009 15:05 :: asondas :: Replies: 1 :: Views: 285
archimedean spiral antenna with cst
hi all, can anyone help me with designing archimedean antenna with cst. esp. the excitation.. how to use the lumped element port.. which material that i should choose.. etc and if u dont mind, please upload one of your design for example.. thank you ...
RF, Microwave, Antennas and Optics :: 17 Nov 2009 15:04 :: bubu_chacha :: Replies: 0 :: Views: 57
archimedean spiral antenna with cst
hi all,can anyone help me with designing archimedean antenna with cst.esp. the excitation.. how to use the lumped element port.. which material that i should choose.. etcand if u dont mind, please upload one of your design for example..thank you for ...
Electromagnetic Design and Simulation :: 17 Nov 2009 13:29 :: bubu_chacha :: Replies: 0 :: Views: 45
e-shape microstrip antenna
i am doing my final year project on e-shape microstrip antenna.please help me out with the design equations and programming tools in matlab for the vswr, return loss and radiation pattern curves....
RF, Microwave, Antennas and Optics :: 16 Nov 2009 14:57 :: ravi8331 :: Replies: 4 :: Views: 135
900mhz rfid antenna using ads
hi guys i have confused by setuping port type in ads momentum. by help document, i can define the port as differential type , and associate each other. but i cant do it with my dipole antenna, illustrating as following: i can simulate it with inte...
Electromagnetic Design and Simulation :: 16 Nov 2009 11:35 :: wforest6810 :: Replies: 8 :: Views: 903
far field distance of patch antenna
the far field distance r=2*d^2/lambda will it be valid for patch and dish antennas also? please send your comments...
RF, Microwave, Antennas and Optics :: 15 Nov 2009 22:44 :: vfone :: Replies: 1 :: Views: 66
monopole transceiver antenna (actual vs simulations)
hi,i am doing some studies on monopole antennas on an actual transceiver sensor.the sensor has a monopole antenna that is about 5 cm in height. and it is used to transmit at 300 mhz.but 5 cm is only 0.05 lamda at 300 mhz. i did some simulations in hf...
Electromagnetic Design and Simulation :: 15 Nov 2009 19:19 :: FvM :: Replies: 3 :: Views: 144
log-periodic wideband antenna
how to find the best frequency range for log-periodic wideband antenna in emc measurement?and wat are the other applications of the log-periodic antenna?...
RF, Microwave, Antennas and Optics :: 15 Nov 2009 17:27 :: cnskogilam :: Replies: 0 :: Views: 42
frequency range for log-periodic wideband antenna
how to find the frequency range of log-periodic wideband antenna in emc measurement since there are alot of wideband frequencies? and for the design shud i use 3d?i mean shud i use hfss software?...
Electronic Elementary Questions :: 15 Nov 2009 16:26 :: cnskogilam :: Replies: 0 :: Views: 48
help needed antenna design thesis (4nec2 and hfss)
dear alli am ahmad bilal. i have been recently given my master thesis topic. i have never read or taken any antenna course. but the university professors forced me to take thesis topic on antenna design for wlan.i have to design two different antenna...
RF, Microwave, Antennas and Optics :: 15 Nov 2009 7:40 :: akedar :: Replies: 3 :: Views: 183
antenna design
hie. can somebody please help. for my final year project i am designing a steering beam antenna for 2.4ghz. i need varactor diodes each with capacitance ranging from 0.07pf to 39pf. cant identify any in the market....
RF, Microwave, Antennas and Optics :: 15 Nov 2009 7:39 :: akedar :: Replies: 2 :: Views: 156
design parameter for archimedean antenna
dear all,im a student and i have to design an archimedean spiral antenna, but i cant find any literature that guide me to choose the parameters.can you guys help me? books,jurnals,papers, or anythingregards....
RF, Microwave, Antennas and Optics :: 13 Nov 2009 3:34 :: VSWR :: Replies: 1 :: Views: 48
tem horn antenna simulation
hi,everyone,i want to use the xfdtd software to simulate tem horn antenna,but i dont know how to construct the tem horn antenna in the xfdtd,can anyone give me some advice or give me some related papers?thank you ....
Electromagnetic Design and Simulation :: 12 Nov 2009 20:19 :: muj-X :: Replies: 1 :: Views: 261
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calculation of far field distance for patch antenna
will the equation for far feid distance df=2*d^2/lamda is valid for patch and dish antenna also??? i got a comment from my professor that it is not for all antennas. so please send your ideas. it is essential for my project...
RF, Microwave, Antennas and Optics :: 11 Nov 2009 13:42 :: kiirran :: Replies: 0 :: Views: 66
deleted from topic number 370512 mod pranam77
will the formula df=2*d^2/lamda is valid for patch and dish antenna also??? i got a comment from my professor that it is not for all antennas. so please send your ideas. it is essential for my project...
Trashcan :: 11 Nov 2009 13:40 :: kiirran :: Replies: 0 :: Views: 36
micro-coaxial cable effect in antenna design?
hi all,i am currently studying compact antenna designs for small hand-held devices. one of my initial thoughts was to grow my antenna pattern onto a piece of fr4 board and fed it with a piece of 50ohm micro-coaxial cable, which was then connected to ...
RF, Microwave, Antennas and Optics :: 11 Nov 2009 4:36 :: niholan :: Replies: 5 :: Views: 264
horn antenna in cst mws 2009
hi everybody,im trying to construct a pyramidal horn antenna in cst microwave studio 2009, just dont know how to start the drawing.anybody can point me to the right direction on how to construct a horn antenna by providing some link, tutorial or even...
Electromagnetic Design and Simulation :: 10 Nov 2009 20:08 :: winsonwhy :: Replies: 7 :: Views: 372
monopole antenna in hfss!!
hi,i have to make a monopole antenna above ground at 2.5ghz,in hfss.do anyone have idea how to start it.i didnt find any good sites to begin with....
RF, Microwave, Antennas and Optics :: 10 Nov 2009 3:34 :: yongding :: Replies: 1 :: Views: 174
patch antenna input impedance in cst
hi therefor any operating frequency i could obtain the patch length and width. i can also calculate the width of the 50 ohm feed line .. but for proper matching antenna input impedance need to be known ... how to determine antenna input impedance in ...
Electromagnetic Design and Simulation :: 09 Nov 2009 20:25 :: prafuldeo :: Replies: 2 :: Views: 132
2.4ghz or 5.2ghz ifa (inverted "f" antenna),who ha
i am doing some simulations with ansoft hfss on ifa.the 2.4ghz dimension fits good both on simulation and measurment with the reference dimension.i want to simulate the 5.2ghz ifa, but i have no reference to compare.does anyone have the design dimesi...
RF, Microwave, Antennas and Optics :: 09 Nov 2009 13:25 :: ahsaan :: Replies: 83 :: Views: 12149
how to design an antenna on nec-win plus+ with given specs
aoa, hellow to everyone....i have been given a project from wave propagation lab to design an antenna on software with following specifications... please help....we are bound to use nec - win software.antenna specifications:gain ...
RF, Microwave, Antennas and Optics :: 09 Nov 2009 10:55 :: furqanaliali :: Replies: 0 :: Views: 39
who can design an small antenna for 170 mhz ?.
hi who can design an antenna that works from ideally from 160 mhz upto 900 mhz and even 2.4 ghz. it could also be two designs. one from 160 mhz upto 175 mhz and the other from 850 - 2500 mhz !. design must be simulated and proven to work. payment pos...
RF, Microwave, Antennas and Optics :: 09 Nov 2009 3:05 :: E Kafeman :: Replies: 4 :: Views: 180
antenna dual band 1575mhz bw=40mhz 2300mhz bw=50mhz
hello every body, i am a newbie in ads. i have project to design an dual band antenna working at 1575mhz bw=40mhz and 2300mhz bw=50mz. how can i design it?thank you....
RF, Microwave, Antennas and Optics :: 07 Nov 2009 16:40 :: ahsaan :: Replies: 6 :: Views: 240
antenna software -pcaad5
easy to use antenna design software[/b]...
RF, Microwave, Antennas and Optics :: 06 Nov 2009 23:55 :: jim_lilly :: Replies: 16 :: Views: 2091
patch antenna example
hello,i want to test a simulation program. therefore i’m searching for a simple patch antenna example. i need a design and the data of the antenna e.g. resonant frequency, the return loss and the gain.does anybody know where i can find a patch ...
Electromagnetic Design and Simulation :: 06 Nov 2009 22:11 :: pakitos :: Replies: 1 :: Views: 120
monopole antenna of 2.4ghz,above plane ground
hi, please any body help me to build a monopole antenna of freq 2.4ghz above plane ground in hfss.... please help me and mail me as soon as possible... i have to submit it before 20th may, 2009.my mail address is...m_usmanarain@yahoo.com..advance tha...
Electromagnetic Design and Simulation :: 06 Nov 2009 21:05 :: olujoe :: Replies: 2 :: Views: 312
i need your help: antenna design - reflectarray antenna
hello all,for my final undergraduate program i will be designing a reflectarray antenna. i have studied how they work, but i am confused about which software to use.my reflectarray antenna will be excited by a horn antenna.the elements will either b...
RF, Microwave, Antennas and Optics :: 06 Nov 2009 20:56 :: EEstudent18 :: Replies: 0 :: Views: 63
antenna dipole simmulation in matlab!!
hello,i want to simulate an antenna dipole by matlab... can you help me???im not good in programation with matlab thats why i need a simple code.thx...
Electromagnetic Design and Simulation :: 06 Nov 2009 16:11 :: asma86 :: Replies: 0 :: Views: 72
port definition for microtrip dipole antenna, emds/momentum
hi all, id like to ask how many ports for dipole simulation in emds/momentum? 2ports or 3ports (the third port is for ground plane)for microstrip dipole antenna simulation, i wonder that i should use port definition isinn emds, ads 2009 as the follow...
RF, Microwave, Antennas and Optics :: 06 Nov 2009 6:26 :: kspalla :: Replies: 4 :: Views: 333
help needed in yagi antenna
how to model yagi antenna in spice. i want to use yagi antenna in a circuit simulator...
RF, Microwave, Antennas and Optics :: 05 Nov 2009 21:31 :: vfone :: Replies: 1 :: Views: 96
diploe array antenna (2x1) at 3 ghz
help is required in designing of dipole array antenna of (2x1) at 3ghz....waiting for your positive responseby haseeb javaid[/b]...
RF, Microwave, Antennas and Optics :: 05 Nov 2009 18:59 :: b4bb4ge :: Replies: 3 :: Views: 120
help in microwave office (mwo) - adaptation of antenna
hi all, if anyone work with mwo please help me to find out the adaptation of the antenna array below, by mwo, ( in f=0-70ghz), i can not find the good circuit in mwo neither good adaptation of array, so i need your help, thanks very much, you can use...
Electromagnetic Design and Simulation :: 05 Nov 2009 13:10 :: Manjunatha_hv :: Replies: 4 :: Views: 177
horn antenna and radiation pattern
could you please help me to design a pyramidal horn antenna and obtain his radiation pattern with hfss?thanks...
Electromagnetic Design and Simulation :: 05 Nov 2009 7:00 :: Abhishekabs :: Replies: 10 :: Views: 2634
gain of a 2.45 ghz patch antenna on fr4?
hello,what gain can i expect of af 2.45 ghz patch antenna on fr4?...
Electromagnetic Design and Simulation :: 04 Nov 2009 15:06 :: gamba007 :: Replies: 1 :: Views: 105
simulation of yagi antenna with hfss
hello everybodyis there anybody here to help me and solve my problems in simulation a yagi antenna which i simulated with this specifications : i have simulated with 7 cylinder( 7 element)1) frequency : 300mhz in vhf band2) the reflector length : 0.5...
Electromagnetic Design and Simulation :: 04 Nov 2009 9:52 :: mosizaza :: Replies: 0 :: Views: 81
matlab programs about antenna theory
himatlab programs about antenna theory from constantine balanis book...
Software Downloads/Uploads :: 04 Nov 2009 7:58 :: wuhlxl :: Replies: 31 :: Views: 10022
how to add ridges to a horn antenna
hi all! i want to add ridges to a horn antenna.for that i am seeking ur help as im new to hfss.thanx...
RF, Microwave, Antennas and Optics :: 04 Nov 2009 6:43 :: Abhishekabs :: Replies: 1 :: Views: 102
microstrip patch antenna design in cst for basic users
please some one help me by giving basics tutorial for desinging mictristrip patch antenna using transmission line please help me....
Electromagnetic Design and Simulation :: 03 Nov 2009 19:23 :: zeeshanqam :: Replies: 2 :: Views: 237
finite difference matlab code loop
im a beginner in fdtd programing.anyone have a matlab code to solve the irregular grid problem??thx...
Electromagnetic Design and Simulation :: 03 Nov 2009 16:05 :: akedar :: Replies: 19 :: Views: 10703
creation of a patch antenna test interface for pc board.
hi, currently working on a gps project, i have to test a patch antenna but dont have a lot of knowledge in electronics. i would like to see the signals received on my computer. is it possible? which component do i have to had to create an appropriate...
RF, Microwave, Antennas and Optics :: 03 Nov 2009 15:36 :: jade222 :: Replies: 0 :: Views: 66
help required in uwb antenna!
hi evry 1!i designed uwb antenna using hfss v.9....bt wen i design da same antenna in awr wid same dmnsions den the rzlts r nt satisfactry!! cn ne 1 help me out plz!!...
Electromagnetic Design and Simulation :: 03 Nov 2009 9:31 :: ali110 :: Replies: 1 :: Views: 90
analysis of rectangular dielectric resonator antenna
hii am working on analysis and design of rectangular dielectric resonator antenna fed by dielectric image line, i need this book : dielectric resonator antenna handbook by aldo petosa method of my analysis is momentum.if every body has any informatio...
RF, Microwave, Antennas and Optics :: 03 Nov 2009 8:49 :: FATIMAK :: Replies: 0 :: Views: 48
how to provide excitation for paraboloid antenna in hfss?
hi,can anyone please tell me how to provide excitation for a paraboloid antenna in hfss.only fact known to me about paraboloid antennas is that the feed is given at the focus....
RF, Microwave, Antennas and Optics :: 02 Nov 2009 19:53 :: anandrashi6 :: Replies: 2 :: Views: 99
how to find inductance of rfid multiturn loop antenna
dear all,i have designed one rfid pcb loop antenna,how can i calculate the inductance of the antenna?i dont have lcr meter or any other measuring instruments,if i will get the inductance from that i can able to calculate total parallel capacitance,no...
RF, Microwave, Antennas and Optics :: 02 Nov 2009 14:25 :: sr_raval :: Replies: 6 :: Views: 216
pcb with fr4 substrate is ok for wimax antenna ?
are many research papers are using pcb of fr4 substrate (for example, 0.8mm for thickness)http://en.wikipedia.org/wiki/fr4#applicationsdoes fr4 has no any protential problem for the fabricated wimax antenna (three frequency bands are 2.7ghz, 3.7ghz ...
RF, Microwave, Antennas and Optics :: 02 Nov 2009 9:18 :: dongxl :: Replies: 2 :: Views: 333
can you add antenna gain ( dbi) plus gain of amplifier?
for a system with an antenna and a bidirectional amplifier. how do we specify the system gain? can the antenna gain in dbi added to the amplifier gain. for wifi and wimax systems, what kind of input power can we expect going to the amplifier from the...
RF, Microwave, Antennas and Optics :: 02 Nov 2009 8:22 :: dongxl :: Replies: 6 :: Views: 582
hfss tutorial for transmission line vias
hi, i have been contacted by many people from edaboard forum about hfss tutorial. so, i have uploded a tutorial with its hfss projects.i hope this work will be helpfull....
Electromagnetic Design and Simulation :: 31 Oct 2009 9:25 :: breadpig :: Replies: 211 :: Views: 57457
help needed for design of square coil antenna(simulation)
:cry:hi,im facing problems trying to learn how to simulate square coil antenna either using ansoft hfss or awr microwave office?anyone has the tutorial or any guide?i need it to resonate at 100khz. appreciate your help :)...
Electromagnetic Design and Simulation :: 30 Oct 2009 14:48 :: breadpig :: Replies: 0 :: Views: 66
13.56mhz microstrip antenna
hihi, i need ur help.. is is possible to build a 13.56mhz microstrip antenna? is there anyway to reduce the size of the antenna with the optimum function? everyone, pls help me here, really desperate.. thanks....
RF, Microwave, Antennas and Optics :: 30 Oct 2009 14:40 :: desperkh :: Replies: 0 :: Views: 105
antenna designer, analog and rf electronic engineering job
hi,i want to know if someone with a ph.d in analog and rf electronic engineering field antenna designing can get a job in industry with a good salary.can you advice me which electronic/electric engineering field is well paid in north america(canada,u...
EDA Jobs, Promotions, Advertising :: 30 Oct 2009 14:07 :: MrElec :: Replies: 0 :: Views: 84
doubt about ground effect on pringted meanderline antenna
anyone can give me some papers or links on the effect of ground size affect the printed meander-line antenna? (example 2.4g bluetooth or wlan meanderline antenna)thanks very much...
RF, Microwave, Antennas and Optics :: 30 Oct 2009 11:08 :: bless_fooling :: Replies: 4 :: Views: 222
ceramic material for antenna
hello,i bought an antenna for use with 900mhz rfid.its a patch antenna. compared to other 900mhz antennas i tried, this is the smallest. size is cruicial to my application.it appears to be made of some ceramic material, dense, almostfeels like marbl...
RF, Microwave, Antennas and Optics :: 29 Oct 2009 22:12 :: cultclassic :: Replies: 0 :: Views: 84
how to calculate antenna's gain
hi, i need to calculate the radiation pattern of an antenna. i got s21 mag and ang data of the antenna from vna by measuring the aut with a standard horn.now, how do i calculate the gain of antenna.what are the conversions of s21 mag and ang in db....
RF, Microwave, Antennas and Optics :: 28 Oct 2009 21:43 :: heylal :: Replies: 8 :: Views: 414
calculation problem patch antenna array with ansoft designer
hello, i am having difficulties for simulating patch antenna array with ansoft designer. we designed 4x4 array and tried to do simulation, but we didnt succeeded to reach convergence until out of memory. so i split in half our array and got 4x2 but a...
Electromagnetic Design and Simulation :: 27 Oct 2009 21:51 :: Mantas :: Replies: 0 :: Views: 141
efficiency of antenna according to it's thickness
hi all, i would like to know will the thickness of the antenna affect the efficiency of the antenna?...
RF, Microwave, Antennas and Optics :: 27 Oct 2009 13:58 :: tlcfybj :: Replies: 1 :: Views: 75
electrically large loop antenna
can anyone help me with the design, simulation and excitation methods of electrically large loop antenna in hfss?? plzzz......
RF, Microwave, Antennas and Optics :: 27 Oct 2009 11:37 :: SowmyaMannava :: Replies: 0 :: Views: 105
design of lp filter for microstrip patch antenna using ie3d
hi to all,i wanna design the low pass filter which should be placed after the receiving antenna using ie3d. can someone help me in this regard. anyone have the manual or step by step procedure to design such filter. also pls write to me that how i ca...
RF, Microwave, Antennas and Optics :: 27 Oct 2009 8:48 :: ssheikmd :: Replies: 0 :: Views: 87
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