why there is a need to electromagnetic simulation in rfic?
i would like to understand why there is a need to electromagnetic simulation in rfic? so if you have some presentations or some article please share them with us....
Electromagnetic Design and Simulation :: 28 Aug 2006 18:37 :: helio1972 :: Replies: 3 :: Views: 162
why there is a need to electromagnetic simulation in rfic?
i would like to understand why there is a need to electromagnetic simulation in rfic? so if you have some presentations or some article please share them with us....
RF, Microwave, Antennas and Optics :: 28 Aug 2006 5:30 :: obovolo :: Replies: 1 :: Views: 123
help me with coil on pcb
hello i mus make a 3 coils for one rf chip with 1. 68nh 10%2. 6.2nh 10%3. 33nh 5%how to calculate the pcb design for this i have pdf but cant understand nothing. can some help me please...
Hobby Circuits and Small Projects Problems :: 03 Aug 2006 15:11 :: throwaway18 :: Replies: 4 :: Views: 315
fortran download?
hi all;i need to work by compaq visual fortran 6.5 but i dont know if i can find it in the www or not, could you please introduce me a link for download.by the way what is the difference between fortran90 and visual fortran?im very biginer in fortran...
Software Requests :: 19 Jul 2006 16:18 :: Sadabat :: Replies: 1 :: Views: 160
case studies in superconducting magnets
case studies in superconducting magnets design and operational issues yukikazu iwasa francis bitter national magnet laboratory and department of mechanical engineering massachusetts institute of technology cambridge, massachusetts kluwer academic pub...
Mathematics & Physics :: 02 Jul 2006 5:09 :: wuwei205 :: Replies: 1 :: Views: 510
physics - fluid mechanics
09-aug-2005 19:31 3.6m -engineering- theory(ebook - pdf) - reference - fluid mechanics.pdf 09-aug-2005 19:31 2.9m analogy between the electromagnetic and hydrodynamic equations - ......
Mathematics & Physics :: 21 Jun 2006 3:22 :: jjohn :: Replies: 0 :: Views: 1179
electromagnetic bandgap (ebg)
hi.. i am designing a microstrip patch antenna using ebg structure.. i am using ie3d software for my simulations.. the antenna without ebg, is supposed to resonate at around 15ghz.. can anyone tell me how i can find the band of frequencies which my e...
RF, Microwave, Antennas and Optics :: 17 Jun 2006 16:25 :: jian :: Replies: 1 :: Views: 342
fdtd code needed
anyone, pleaz post a code (i. matlab or ...) of fdtd analysis. thanks...
Electromagnetic Design and Simulation :: 15 Jun 2006 12:56 :: Sadabat :: Replies: 6 :: Views: 1059
free photonic crystal software
camfr (cavity modelling framework) is a fast, flexible, friendly full-vectorial maxwell solver. although it can tackle general electromagnetic problems, its main focus is on applications in the field of photonics, like wavelength-scale microstructu...
Software Links :: 31 May 2006 15:25 :: baluba :: Replies: 3 :: Views: 2676
unsolved problems with electromagnetic software
i was wondering about this: what are current problems in electromagnetism which are hard or impossible to solve with available software (because of any reason). i would really appreciate if you could share your experience in this area.thank you in ad...
Electromagnetic Design and Simulation :: 23 May 2006 13:40 :: adel_48 :: Replies: 14 :: Views: 618
ridged horn antenna
hiim interested in ridged horn antenna design but i cant find any papers describeing ridge dimensions. can you help me? i read a lot about a paper broadband ridged horn design k.l. walton, v.c. sundberg, microwave journal, march 1964, but i cant fin...
RF, Microwave, Antennas and Optics :: 08 May 2006 13:03 :: vfurlan :: Replies: 3 :: Views: 318
looking for a rf designer(entry level) job
this is my resume:personal detailsname : sweetu ghirishh/p no : 90417633email add. : sweetughirish@gmail.comnationality : malaysianrace : indiangender : maleage : 23date of birth : 10/07/1982marital status : singleaddress:514 west coast road#12-50...
EDA Jobs, Promotions, Advertising :: 10 Apr 2006 6:45 :: sweetughirish :: Replies: 0 :: Views: 549
speed to torque
i wonder something. for example; in a closed loop dc motor speed control, we obtain the torque reference by applying a pi or pid regulation to the speed profile. then we obtain the torque producing reference current by the relation between the torque...
Robotics and Automatics Forum :: 07 Apr 2006 15:42 :: pic16f84 :: Replies: 11 :: Views: 2496
meep from mit is available
meep is a free finite-difference time-domain (fdtd) simulation software package developed at mit to model electromagnetic systems, along with mpb eigenmode package. its features include: free software under the gnu gpl. simulation in 1d, 2d, 3d, and ...
Software Links :: 03 Apr 2006 8:39 :: crystal503 :: Replies: 0 :: Views: 699
quick question: why does q of spiral inductor have a peak?
hi, all,why does the quality factor of the on-chip spiral inductor have a peak? i mean what dominate the loss at low freq. and what at high freq.? thanks....
Electromagnetic Design and Simulation :: 22 Mar 2006 7:17 :: lagrange :: Replies: 38 :: Views: 2136
signal integrity, transmission lines courses
someone knows about signal integrity, transmission lines courses that can attend ?need for coupling impedances of instruments with chips through transmission lines, and knowledge about test techniques.ive found gigatest and bethesignal courses but th...
RF, Microwave, Antennas and Optics :: 07 Mar 2006 17:06 :: jallem :: Replies: 4 :: Views: 420
simplorer v7 sv
simplorer v7 sv is a full-featured version of ansofts commercially distributed simplorer with a limit only on the size of problems that can be solved. simplorer is sophisticated multi-technology system simulation software widely used by automotive, a...
Software Links :: 23 Feb 2006 14:45 :: imhoff :: Replies: 2 :: Views: 1485
em simulation webinars available online
hello all,a good webinar on planar em simulation available online from awr inc., see the details belowem simulation: a look under the hood - part 1overviewelectromagnetic simulation is becoming a critical component of successful design by providing ...
Electromagnetic Design and Simulation :: 11 Feb 2006 5:56 :: Manjunatha_hv :: Replies: 31 :: Views: 2121
electromagnetic design and simulation forums
hello all!im lookig for electromagnetic design and simulation and antennas forums like this one. help!thank you for links! :-)...
Electromagnetic Design and Simulation :: 09 Feb 2006 19:06 :: rautio :: Replies: 1 :: Views: 288
electromagnetic simulation of the human body
i need all the info posible on human body simulations: cad models, voxel data, cst or ansoft models, ieee publications and standards........thanks...........
Electromagnetic Design and Simulation :: 05 Feb 2006 14:52 :: trichop :: Replies: 6 :: Views: 813
electromagnetic
hi all,i want to discuss here about electromagnetic softwares.for example in analog design we have orcad, proteus, multisim and etc.is there any programs related to electromagnetic?regards....
Electromagnetic Design and Simulation :: 05 Feb 2006 10:57 :: adel_48 :: Replies: 5 :: Views: 696
poynting vector
does the poynting vector imply wave propagation?...
RF, Microwave, Antennas and Optics :: 28 Jan 2006 12:07 :: No one :: Replies: 8 :: Views: 459
ADS
:: :: :: Replies: :: Views:
si analysis of nanometer interconnects
...
PCB Routing & Schematic Layout software & Simulation :: 11 Jan 2006 13:48 :: Manjunatha_hv :: Replies: 4 :: Views: 384
transmission line
hi all,i am currently working with high frequency interconnects.i need to model interconnect using proper transmission line.is there any new transmission line structure available that reduces signal integrity effects otherthan existing models....
Electromagnetic Design and Simulation :: 11 Jan 2006 13:37 :: gokul :: Replies: 7 :: Views: 540
desigin coxial cable by hfss
i am doing microstrip patch anteena using hfss but i want to feed my antenna by coaxial cable but i do not know how should i do.thanks in advanced...
Electromagnetic Design and Simulation :: 10 Jan 2006 16:42 :: snkhan :: Replies: 2 :: Views: 426
interconnect model for rfic
my techer let me to do the interconnect model for rfic, how can i begin? if someone has experience about it, could you share with me? thankyou very much....
RF, Microwave, Antennas and Optics :: 27 Dec 2005 5:56 :: Manjunatha_hv :: Replies: 1 :: Views: 201
looking for 1d/2d fdtd code in c ,tks
i am a newer in fdtd, as the topic , i am looking forward to your help...
RF, Microwave, Antennas and Optics :: 14 Nov 2005 16:48 :: raufar :: Replies: 6 :: Views: 684
reference . ground plan in em simulator and layout tools
hi all,i need comments from experts and the people who has worked on em tools and layout tools whats the criteria of choosing a referace plan in em tools ..and what is the referance plan does its definition differ from situation to situation or diffe...
RF, Microwave, Antennas and Optics :: 25 Oct 2005 22:10 :: rautio :: Replies: 2 :: Views: 171
extraction from s parameters of passive device
when we design the passive devices, such as inductor, transformer, s parameters of the devices can be simulated by electromagnetic simulation software, such as hfss or sonnet. then the parameters of the equivalent circuit model can be derived by some...
Analog IC Design & Layout :: 24 Oct 2005 0:35 :: freewing :: Replies: 0 :: Views: 186
is there a e-book for em design which explains fem, mom etc
is there a e-book for em design which explains fem, mom etc- v...
Electromagnetic Design and Simulation :: 18 Oct 2005 14:50 :: eckypting :: Replies: 5 :: Views: 528
about 3d planner simulatiors sonnet, emsight and momentum
hi all,i want some comments from experts ... ..........is em sight from awr and momentum from agilent is not able to solve all problems and if this is true then please illustrate what are those problems which are not adderessed by these em simulator...
RF, Microwave, Antennas and Optics :: 18 Oct 2005 12:47 :: Manjunatha_hv :: Replies: 4 :: Views: 441
hfss coupling coefficient in combline filter
hi therei want to design a combline filter at 4ghzi read the examble in microwave circuit modeling using electromagnetic filed simulation page 425 i tried to follow the procedure but i can not understand how to simulate the structure of figure 17.21...
Electromagnetic Design and Simulation :: 16 Oct 2005 16:44 :: rf100 :: Replies: 0 :: Views: 339
how to assign point source or line source in hfss?
1.how to assign point source or line source in hfss?2. does hfss can solve 2-dimensional structure? i ever heard that if a 3-dimensional structure in hfss is symmetry, then it can be replaced by a 2-dimensional plane, but i dont know how to handle su...
Electromagnetic Design and Simulation :: 15 Sep 2005 5:58 :: svarun :: Replies: 4 :: Views: 474
planar waveguides
i would like to know the issues in coplanar waveguide....
RF, Microwave, Antennas and Optics :: 25 Aug 2005 5:59 :: Manjunatha_hv :: Replies: 4 :: Views: 1197
asitic layout
hi guys:how reliable is asitic in modelling and generating spiral inductor layout?. thanks in advance.rgds...
Analog IC Design & Layout :: 11 Aug 2005 1:08 :: Puppet1 :: Replies: 6 :: Views: 597
plane wave excitation in fdtd
i am looking for some 3d fdtd code using plane wave excitation with total/scattered field formulation.thanks....
Electromagnetic Design and Simulation :: 06 Aug 2005 8:20 :: elgabo :: Replies: 7 :: Views: 1362
e-book for hfss?
dear sir : does any one have the e-book for the solution method for hfss? i mean like the fdtd method for ie3 and cst(time domain) introduce of the method for hfss(frequence domain)?thank you very much!!regards,wei...
Electromagnetic Design and Simulation :: 03 Aug 2005 4:37 :: fantomf4 :: Replies: 12 :: Views: 2043
sar calculation 2d fdtd
hi allim student, to practice e.m simulation i used d m sullivan book (electromagnetic simulation using the fdtd method) how to calculate the sar in 2d tm a plane wave source impinging on a dielectric cylinder by using fourier transforms. already i ...
Electromagnetic Design and Simulation :: 19 Jul 2005 18:27 :: ali110 :: Replies: 3 :: Views: 495
electromagnetic simulators market
i would like to have a better idea on the following topics:1) how big is the global market for electromagnetic simulator and what are the growth prospects in the next 5 or 10 years?2) what are the most important application areas that are not yet ser...
Electromagnetic Design and Simulation :: 18 Jun 2005 13:55 :: lagrange :: Replies: 18 :: Views: 1095
quickfield-freeware design of motors,solenoids, transformers
m/files-eboard/na.jpgem desing of motors, solenoids, transformers description: quickfield is a pc-oriented, computer-aided engineering package for design of electromechanical devices, and for general electromagnetic simulation. with quickfields multi...
Software Downloads/Uploads :: 13 Jun 2005 20:22 :: Fairgrounds :: Replies: 0 :: Views: 75
error with hfss
i have the following error, but i dont understand it :if anyone can help me ???thanks bye...
RF, Microwave, Antennas and Optics :: 07 Jun 2005 16:41 :: a_aziz :: Replies: 2 :: Views: 336
ie3d 10 & fidelity 4
both products will be released before mtt 2003 (june). nothing about ie3d 10 has been mention on the website, but as to fidelity 4, the most considerable stuff:1) it is based on conformal fdtd(warning for cst, as they have just appreciated conforma...
Electromagnetic Design and Simulation :: 19 May 2005 16:59 :: jian :: Replies: 21 :: Views: 6730
microstrip fix antenna feed
i am simulating a sierpinski patch antenna side fed by microstrip line, but the input impedance is so high that the s11 is bad, how to choose the width of microstrip line to achieve a good match?thanks...
RF, Microwave, Antennas and Optics :: 22 Apr 2005 3:46 :: cybcad :: Replies: 5 :: Views: 264
difference between 2.5d and 3d simulation tools?
dear all,what is the main difference between 2.5d and 3d simulation tools?have it something to do with near and farfield calculations? is for simulations with planar antennas (s11-calculations) 2.5d good enought? is there some difference in calculat...
Electromagnetic Design and Simulation :: 07 Mar 2005 1:52 :: loucy :: Replies: 25 :: Views: 2643
ask: filter design in ads
the simulation results of microstrip filter design are different for the designs in microstrip layout and in the schematic.where should i make the design to get the final result?thanks a lot!!!...
Software Problems, Hints and Reviews :: 18 Jan 2005 9:55 :: trigger74 :: Replies: 8 :: Views: 732
emc/emi with cst
hi, does anyone have cst examples or tutorials on emi/emc? please upload...thanks...
Electromagnetic Design and Simulation :: 12 Jan 2005 10:21 :: yuyu :: Replies: 5 :: Views: 825
few questions on ansys 8.1 and ansys workbench suites 8.1
1) does ansys 8.1 include ansys multiphysic and ansys emag?2) does ansys workbench suites 8.1 include ansys multiphysis?many thanks...
Electromagnetic Design and Simulation :: 28 Nov 2004 10:58 :: nicleo :: Replies: 9 :: Views: 1452
the order of chebyshev i bandpass filter
centerl frequency=5gbandwidth=(5.2 - 4.8)/2the attentuation at 5.4g is at least 20dbwhats the order of the bandpass filter?i got 2. is it correct?...
RF, Microwave, Antennas and Optics :: 23 Nov 2004 9:59 :: dursun :: Replies: 4 :: Views: 1107
fdtd code
hello, i am looking for an fdtd code 2d or 3d that can compare different absorbing boundary condiditons help pleasethanks...
Electromagnetic Design and Simulation :: 15 Nov 2004 10:08 :: peter-gr :: Replies: 15 :: Views: 3521
3d simulator
hi,i have read some threads in this forum and i found some criteria for the choice of a software. 1) what kind of excitations can be applied to the structure (e.g. lumped ports, waveguide ports, plane waves?) can you give me some examples of softwar...
Electromagnetic Design and Simulation :: 12 Nov 2004 7:38 :: itaifrenkel :: Replies: 29 :: Views: 2970
i need next ieee paper
, pp. 25-38, jan 1981d. chatterjee, et al., “techniques for bandwidth optimization of probe-fed microstrip antennas on small, finite ground planes,” vol.3, pp.282 – 285, 8-13 july 2001 jian-x. zheng, electromagnetic simulation......
RF, Microwave, Antennas and Optics :: 20 Oct 2004 1:53 :: cawan :: Replies: 1 :: Views: 231
*attention: "rf" & "antennas" topic
dear all,please specify you opinion about separation of antenna and rf & microwave forums, there is a lot of difference between them, more than for example between ieee articles&... and eda articles&.... we (i mean me and who interested in antennas),...
RF, Microwave, Antennas and Optics :: 17 Oct 2004 13:31 :: Cluricaun :: Replies: 16 :: Views: 2430
comparison between 3g and 4g
hi...can anyone send me data about the comparison of 3g and 4g?byeelectromagnetic design and simulation is not the right forum for this. moved here. read the rules./pisoiu...
Electronic Elementary Questions :: 24 Sep 2004 5:30 :: DarkJedi :: Replies: 1 :: Views: 574
q factor
why is high q image reject filters in heterodyne receiver are lossy compared to low q channel select filters?. can anyone explain in detail. thanks in advancergds...
RF, Microwave, Antennas and Optics :: 01 Aug 2004 3:54 :: lguancho :: Replies: 4 :: Views: 813
femlab - can it be used for microstrip antenna simulation ?
want to ask two questions.this is regarding femlab 3.01) can it be used to evaluate microstrip antenna performance ( radiation pattern and s11 with frequency )2) simulation of photonic bandgap ( electromagnetic bandgap ) substrates.-thanks-svaru...
Electromagnetic Design and Simulation :: 28 Jul 2004 15:23 :: svarun :: Replies: 0 :: Views: 237
any info on c$t mws 5.0 new features?
thanks in advance.regards....
Electromagnetic Design and Simulation :: 22 Apr 2004 4:05 :: borich_03 :: Replies: 45 :: Views: 6548
fem/l(at)b vs. @nsys
hi,i am interested in experience exchange between two fem simulators:fem-l@b <--> @nsysi am intended to use one of these programms to simulate and investigate the electromagentic interferences on pcbs. which program is easier to handle and serv...
Electromagnetic Design and Simulation :: 21 Apr 2004 15:38 :: MoonShine :: Replies: 13 :: Views: 2175
symmetry planes in electromagnetic simulation
hi, im simulating an antenna with cst, in the model i used a magnetic symmetry plane which has worked great!..... i would like some theory or comments on the type of symmetry plane (magnetic), i know it means that the tangential magnetic field is zer...
Electromagnetic Design and Simulation :: 20 Apr 2004 9:55 :: RFSimulator :: Replies: 2 :: Views: 507
difference between rfic and mmic
hi all,i have a question. is there a difference between rfic and mmic or they are basically the same.thanksrf_router...
Analog IC Design & Layout :: 20 Apr 2004 5:27 :: T Zul :: Replies: 11 :: Views: 2502
need ieee paper
tions for a project i have.if you have or can find them please send them to me.i really need them.1.gazizov, far-end crosstalk reduction in double-layered dielectric interconnects,ieee transaction on electromagnetic compatibility, vol 43, no.4, pp.56...
RF, Microwave, Antennas and Optics :: 11 Oct 2003 14:37 :: Circuit_seller :: Replies: 3 :: Views: 791
crosstalk on coupled microstrip lines
crosstalk between coupled microstrip lines?i want if possible some ieee publications about that.,1.gazizov, far-end crosstalk reduction in double-layered dielectric interconnects,ieee transaction on electromagnetic compatibility, vol 43, no.4, pp.56...
Electromagnetic Design and Simulation :: 10 Oct 2003 10:23 :: Element7k :: Replies: 6 :: Views: 1237
rf pcb tools?
i hope it is correct to put this question here:i have many problems in designing the pc boards i simulate because i dont find any useful tool that can design rf circuits. in my job i use for pcb a tool by zuken (pws) but it is so difficult to design ...
PCB Routing & Schematic Layout software & Simulation :: 10 Sep 2003 19:10 :: asterix91 :: Replies: 16 :: Views: 2530
awr announces analog office
first complete system in 10 years to deliver dramatic improvements in design productivity and time-to-market for wireless ic applicationsel segundo, calif. — may 19, 2003 — applied wave research, inc. (awr) a leading provider of high-frequenc...
RF, Microwave, Antennas and Optics :: 13 Jun 2003 1:57 :: kaol :: Replies: 0 :: Views: 629
how to minimize em simulate time in mwo?
i am trying to run the em simulator for a very sensitive edge coupled filter. so i set the cell size to 1 mil---- not only will it take 42hrs.(i can live with :() but i run out of memory on my computer. i get an error message that i need to free up...
RF, Microwave, Antennas and Optics :: 02 Jun 2003 3:05 :: loucy :: Replies: 5 :: Views: 574
aplac student 7.80
aplac student 7.80 version: 7.8 studentcreator: aplachttp://www.edaboard.com/files-eboard/aplac_small.jpgthe aplac analog design tool is optimized for analog designs and includes the full palette of semiconductor and passive componentsthe aplac analo...
Software Downloads/Uploads :: 11 May 2003 22:41 :: Fairgrounds :: Replies: 0 :: Views: 60
ads or mwo
hi there,i am curious to know which software gives better simulation results in terms of circuit simulation, ads or mwo? any opinion will be appreciated. thanks.linda....
RF, Microwave, Antennas and Optics :: 02 Feb 2003 4:32 :: personal :: Replies: 25 :: Views: 3286
fast em computation
is there a bulletin on fast em computation where one can learn the latest trick????...
Electromagnetic Design and Simulation :: 16 Jan 2003 15:59 :: yingyang :: Replies: 2 :: Views: 1051
mmic inductor transformer
has any one a tool to synthesize planar mutally coupled inductor? i need this configuration to design a 7-13 ghz balun on gaas.i could analyze the inductors with mwo em-simulator, but i would like to avoid a trial and error synthesys without having a...
Other Design :: 13 May 2002 10:46 :: Tomp :: Replies: 3 :: Views: 1623
rf microwave tools - part 5 ( phase-locked loop designer)
phase-locked loop designerhttp://rf.rfglobalnet.com/downloads/pll.zip...
RF, Microwave, Antennas and Optics :: 08 Dec 2001 1:56 :: BigBoss :: Replies: 3 :: Views: 7992
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