thz antenna - results edaboard.com

rf microwave tools part 1 - part 64

9705-1.pdf diode model parameter extraction from manufacturers data sheets9708-1.pdf pin diode model parameter extraction from manufacturers data sheetsdbm.zip displays rf power and voltage realtionsnetwork.zip either an ac network anal...
RF, Microwave, Antennas and Optics :: 29 Jul 2009 6:14 :: sivanandyala :: Replies: 5 :: Views: 5552

metamaterial - which books should i read ?

if i want to research this topic, which books i should to read?...
Electromagnetic Design and Simulation :: 26 Jun 2009 1:09 :: MrElec :: Replies: 6 :: Views: 435

do ferrite core increse the power transmission efficiency?

do ferrite core increse the power transmission efficiency?i want to use ferrite core in passive rfid tag and antenna,it seems that using ferrite core or ferrite rod can increse energy transmission efficency between rfid antenna and tag in a near fild...
RF, Microwave, Antennas and Optics :: 17 Jun 2009 3:55 :: hadzzgl :: Replies: 2 :: Views: 180

spiral antenna simulation in hfss

dear all, i am trying to run a simulation of a 2 arm spiral antenna in hfss v9.1, however an error message always appear when i try to analyze, it says something wrong with initial mesh, can anyone tell me how to overcome this problem? deeply appreci...
RF, Microwave, Antennas and Optics :: 28 Feb 2009 16:39 :: timny :: Replies: 59 :: Views: 8142

far field on bow tie antenna

hello guys,i want to simulate the electric field at the gap of a micron-sized (150 mu each half) bow tie antenna which is exposed to thz radiation. i tried sonnet and a link referring to simulator on nanohub but they didnt work. thats my first post o...
Electromagnetic Design and Simulation :: 23 Feb 2009 16:56 :: alibeyden :: Replies: 0 :: Views: 243

design fractal antenna

hi all.which kind of software is suitable for design of fractal antennas ?i want to design sierpiniski carpet/gasketthank you...
RF, Microwave, Antennas and Optics :: 22 Jul 2008 15:36 :: Mustafa_Engineer :: Replies: 8 :: Views: 1137

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how to apply bias voltage in i3ed?

hi everyone, i am designing a thz antenna!assume that we have 2 microstrip line apart by a distance d!my problem is that how to apply a dc bias voltage to these terminal of the ms lines in ie3d simulator, 1 terminal with dc+ and another with dc- ?has...
Electromagnetic Design and Simulation :: 29 Mar 2008 18:14 :: jian :: Replies: 3 :: Views: 240

designing a thz passive device

if someone with good background knowledge of rf, microwave and a little bit of millimetre designs wants to design for 10-1000x times higher frequencies, like tera-hertz antenna (somewhere in 1 ... 10thz range), what would you recommend and suggest?do...
RF, Microwave, Antennas and Optics :: 31 Oct 2007 6:31 :: Azulykit :: Replies: 4 :: Views: 240

anyone can recommend good papers about thz antenna, thanks

i am looking for papers about thz antenna, can you recommend some good papers, thanks....
RF, Microwave, Antennas and Optics :: 01 Apr 2007 10:03 :: jiths :: Replies: 2 :: Views: 132

log-periodic antenna in hfss. need help!

hello all:could any one take a look at the hfss file in attachment. it is a log-periodic antenna for thz application. i cant have the similiar s11 as the papar presents. do you see any problem is excitation? the frequency ranges from 100ghz-1.5thz. t...
Electromagnetic Design and Simulation :: 20 Mar 2007 16:57 :: yzriver :: Replies: 18 :: Views: 570

how do you set the impedance in thz antenna simulation

hi all:i will start the project of design of the antennas at thz range. our thz signal will be generated by fet device, and the antenna will mount on the fet. in this case, how do i set the impedance in the simulation software when i set the excitati...
Electromagnetic Design and Simulation :: 01 Mar 2007 4:10 :: yzriver :: Replies: 3 :: Views: 147

[ie3d] (to mr. jian) slot-type dipole antenna in thz !

hello. mr. jian.ive simulated two kinds of antenne which are metallic-dipole and slot-dipole in ghz. and results are reasonable. :dand i also tried similar simulation at thz region. of course, i scalied up to 1000 times. as my expectation, metallic...
Electromagnetic Design and Simulation :: 18 Jan 2007 2:45 :: Insang Woo :: Replies: 3 :: Views: 225

cst antenna simulation

i am using cst at work during my lunch hour to model a folded dipole antenna, and have a weird problem which i cannot see.on a folded dipole i created a discrete port, but when i run the transient solver, i get the following error. the discrete port ...
RF, Microwave, Antennas and Optics :: 08 Jan 2007 9:20 :: KhangKhang :: Replies: 3 :: Views: 420

ghz scale to thz...enable by simulation tool!?

h 1000 times scaled). one is (~100mm-long & 3mm-wide) and another is (~100um-long & 3um-wide) which have same metal conductivity and same metal thickness.the former will operate in ghz, the latter in thz.then. they should show same results (*.my inte...
Electromagnetic Design and Simulation :: 05 Jan 2007 9:15 :: RFSimulator :: Replies: 2 :: Views: 228

broadband planar antenna on dielectric half-space

planar log-periodic (toothed) antennas are a beautiful thing in a free space, but on a dielectric half-space their radiation patterns (not to mention impedance) are very bad, useless i should say.what kind of (planar or other flat) antenna on (or clo...
RF, Microwave, Antennas and Optics :: 24 Nov 2006 17:18 :: SagSag :: Replies: 1 :: Views: 153

why optical communication have more bandwidth?

hi,im the beginner in optical field. i would like to know why optical communication is said to have much more bandwith than the copper wire. in what sense they are said to carry data in gigaherz rate compared to copper.thanks....
Analog Circuit Design :: 04 Jul 2006 7:18 :: windman :: Replies: 4 :: Views: 258

does anyone want to discuss terahertz wave??

dear all, thz wave application is a relatively new topic between microwave and optics, since you can say that thz is a far-infrared lightwave or a very high freqency microwave. there are many applications about thz, im a graduat...
RF, Microwave, Antennas and Optics :: 10 Sep 2005 18:48 :: vco96 :: Replies: 4 :: Views: 432

hfss radiation pattern

i try to simulate a slot antenna at thz (10^12 hz) frequencies. in addition to the printed antenna on the substrate, a hemi-spherical lens is an indespensable quasi-optical component. the dimension of lens is much larger than the wavelength. its impo...
Electromagnetic Design and Simulation :: 12 Dec 2004 7:54 :: flyflyhigh :: Replies: 1 :: Views: 333

antenna help

hi all,first of all, i have never design antenna before. however, in my course work i have to characterize a matrial in the thz range. for that i needed to design an antenna with the material that i am trying to characterize at the end of the antanna...
RF, Microwave, Antennas and Optics :: 30 Oct 2004 4:24 :: ssstar :: Replies: 2 :: Views: 273

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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