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55 Threads found on edaboard.com: Power Divider Microstrip
Hi I'm working on designing unequal power Wilkinson power divider. I need to implement a 295-ohm microstrip line. The problem is that it's not practical to implement. I found two main techniques to increase microstrip/stripline impedance. 1- using offset double-sided parallel strip line 2- using (...)
Cheap X-band motion sensors such as door openers use separate patch antennas for TX and RX path. It is usually justified by the need of high sensivity, which is obtained by decreasing LO leakage. But as we know such sensors are pretty narrowband, and use only a little bandwidth of few KHz. Please comment on this idea: what if we use microstrip
hi, iam doing project on wilkinson power divider and going to fabricate it in microstrip.i have found out length and width of quarter wave transmission line.but to represent transmission line in circular form i need to know radius formula.i have searched for formula but couldnt find out the right one.
If sensor or transceiver have separate transmit and receive antennas. Where does that additional sensitivity comes from? Assume we have single antenna. If we want to do it without additional microstrip structures, most simple way to do mixing is to put 3-port tee power divider. First port - LO input, second port - sing
you can make quarterwave transformers before and after power divider to make it differ from 50 Ohms. I made power division in 75 Ohms because lines was too thick for smd pads and radial arms of wilkinson. You can try 40 ohms maybe...
Setup: 1) PCB board with two parallel microstrip lines connected to power divider from one side and to two identical diode mixers from other side. One of lines have a gap for common source FET placement. Before placement gap is soldered with copper foil piece for calibration purposes. 2) Frequency generator for freq
Hi PlanarMetamaterials, Thanks alot for the link to that forum. However I would like to share my experience, as I have designed a quater-wave matched T-junction and noted the S11,S21,S31 & S23 on CST and found un-realistic. Hence was wondering if someone could help me with the dimensions of a proper T-junction power splitter
1. Can we obtain higher Signal to noise raitio, if each patch on RX antenna have separate mixer? For example, we have 4 x 4 patch antenna, and each patch have separate mixer (16 mixers, power divider for LO to provide 16 LO channels) 2. Is it feasible to make two-patch antenna, wich radiates not perpendicular to the substrate. For example, radia
Hello all , i am a starter in HFSS . I have only simulated a waveguide and a microstrip line so far. I need to design a power divider with mlines in hfss but i do not know how to represent the cables or the resistance that i have. Any help will be appreciated . I am uploading my exact model created in ADS. Thanks in advance105413
I'm designing a 2-1 way Wilkinson power (5.5 GHz)divider with Z0=50Ω in HFSS on a FR4 substrate. The E-field simulation shows low magnitudes. What could cause this issue? Could the waveport2 have influence on wp3 because they're too close to each other or maybe the dimensions of the divider are wrong? 99647
Hi I see your point. A Wilkinson divider has match at all ports and equal power split. However you need a 100ohm resistor to make the matching. Many patch antennas are just made on a single PCB without SMD assembly. This is cheap and easy to fabricate. But you are right that it is not the same. If you analyse the Wilkinson without the isolation
Hi, I am designing a 3 element linear antenna with 1:3 power divider network for feeding. But the length of the microstrip line to the center element differs from other two elements because all three elements are in a single row, so there is a phase variation to the center element compared to other two elements. I tried to increase the (...)
Hi, I am designing an equal split wilkinson power divider working at 13GHz in ads. When i add a MTEE to it, the s-parameter all goes wrong. I think i may have used the MTEE in a wrong way. Could someone help me with that? Attached are the schametic and s-parameter simulation results :roll::roll: Thanks so much.
Hello everyone, I would like to design power divider or power splitter up to 40 GHz using microstrip lines without resistors (I have found many design with this resistor but I do not want to use it) ,my substrate is LTCC 9K7 (Eps:7.1 Loss: 0.001). Can you give me an advice which of many ways how to do is the best to (...)
hi I want to design a divider SIW 3dB antenna feed usin CST as shown in figure below: 1.Can anyone help me? 2.The length of the line in determining the characteristic impedance is important ? Thanks
Hi, It should be in 2x array form. First, i think you should design the antennas individually according to your desired frequency and then combine them both using a power divider. You can refer to Balanis book or any other microstrip patch antenna books for further research on microstrip patches and on how to design them. (...)
how can i used ansoft designer to design microstrip antenna and t-junction power divider. help
For example, we have 5Ghz oscillator, output goes through microstrip to power divider, splitted to two microstrips. microstrip lenghts choosen to provide 180 deg phase shift. Each microstrip equipped with SMD circulator, that prevents unwanted direction. Then we put power (...)
Sure is it possible, but does it make sense? For the array, why do you want multiple coax feeds with power divider at coax level, instead of a simple divider network in microstrip?
hello every one, i am designing a wilkinson power divider in ADS momentum, so to place a resister between the two output arm i draw a microstip line from each arm. when i insert port at the end of these microstrip lines, and trying to define the type of ports i get this message " Port P4 cannot be associated with port number 5. If they (...)
Here are some recent threads with other folks doing Wilkinson can also search in the forum using the little search box at the top-right of the
hi everyone i'm looking to know the practical consideration for high power wilkinson power divider for S-band frequencies.the power is some number around 3KW.would you please help me finding that? my main questions are? Can I design it in microstrip or stripline format? If yes what is the approperiate (...)
Cadsoft Eagle and Eagleware Genesys (now Agilent) are different programs. 2 way power divider (Wilkinson type): Wilkinson power splitters- Microwave Encyclopedia -
HI: I don not know which point should i start,my project assigment about design microstrip rectangular patch antenna array WORKING ON 2.8ghz but I do not have that knowledge to design for one patch ok,but 4 element ,don't know,the lectuer told me to study about power divider ,the desgin using CST, Any Idea regarding to t
Hello all, I have been working on a Wilkinson equal power divider. Most of the S matrix looks fine but the two output match is very poor, only -12dB or so. I have defined a RLC lump boundary for the 100 ohms resistor. The layout of my Wilkinson is attached. Please take a look and comment on why the output match is so bad. Thank you!
Hey guys, I'm studying about Wilkinson power divider with High isolation to use for a microstrip Diplexer design for my final year project... Any ideas/suggestions on how to achieve high isolation?? Cheers
Recently,I designed some microstrip T power divider.But I still could not get the the ideal parameters.I used two models to design the divider. Who can tell me what should I consider during the design?The pictures of design are [
I can not understand if W1=W2 is the 50ohms how the devider can realize equal power distribution?Do not need impedance match? Yes, you also need impedance matching using 1/4 lambda line. You can choose if you want to -connect the two outputs first (50||50=25) and transform that 25 Ohm to 50 Ohm with a line
hi folks.......... i m designing an unequal 8 way(2 way 3 stage) wilkinson power divider. i referred Pozar text book. I got a problem while designing 3rd stage. The problem is that i m getting high branch impedance ( around 300ohm) at last stage. While i m trying to calculate the length and width using AWR transmission calculator, it is saying i
Singly Fed Circularly Polarized Patch: Typical configurations for a singly fed CP microstrip antennas are shown in figure below A single point feed patch capable of producing CP radiation is very desirable is situations where it is difficult to accommodate dual-orthogonal feeds with a power divider network
1) Use Transmission Line model of microstrip patch antenna to find input impedance (Zin) 2) Use Quarter wave length transformer to reduce the impedance 3) Use T or Y power divider to spit the power. Transform impedance if necessary.
can any one give me proper designing steps for 1 & 8 element vivaldi tapered slot with microstrip feed antenna with power divider network(50 ohm ) for s-band(3.1-3.5GHz) to get 3dB gain, 3dBi directivity.50 ohm(input) to 100 ohm transition(tapered feed ) can i use frequency range from 2-8 GHz for this?
For the T-junction microstrip line, use a wilkinson power divider. The number of stages in wilkinson depend on the bandwidth that you want to achieve. There are lot of papers on realizing a Wilkinson power divider. But with the wilkinson power divider, you get in-phase (...)
hi there i am simulating a microstrip power divider and in order to have good match between fabricated and simulated results i thought to include dielectric loss and metal loss. i am simulating with FR4 substrate havng loss tangent of 0.022 and instead of using PEC i am using copper. after simulating i am getting this warning msg "substrat
hi everybody!!! i have designed a wilkinson power divider in ADS, in the schemetic it is working best but when i generate layout, i have no idea how to place shunt resistors(lumped element in case of schematic) between the microstrip lines. .. when i calculate W and L for equalenct value for resistance, and place them between the (...)
Hi..!, I am designing a 'Wilkinson power divider' with microstrip which works at 530MHz. I use Ansoft Designer. I want to know the way to add an Isolating Resistor in Planer EM Design.
there is an example also, in IE3D 8x8 array of patches with printed power divider. pl
hi i need 4:1 power divider simulation in MWO for 1.5GHz on alumina with one section, and 6 on 6mm can you help me? wilknson divider will be great
power combiner for waveguide, microstrip or stripline?
That picture looks like a guy standing sideways giving the thumbs-up sign. Azulykit had good advice. Is the power splitter part of the antenna? Yendori
plz help me . what are the calculations for single stage power divider and multistage powerdivider for Wilkinson powerdivder.plz send formula. thanks®ards vamshikrishna
hi chaofan, please indicate the dissipation loss of your wilkinson splitter, as well as the material including thickness, loss tangent, etc... One more thing, are you splitting the 30W or you are combining lower power items to get the 30W?.
hi For microstrip antenna array design you should apply these steps: 1- design and simulte one patch 2- deisgn & simulate power divider or splitter 3 - select the feed network type (generally corporate feed is selected) 4 - simulated patches with power dividers
Hello I'm now designing a 5 stages 'cascade' Wilkinson power divider (bandwidth 0.5GHz -6.5 GHz) on RF-60A (Er=6.15, H=1.542mm)according to "A general design formula of multi-section power divider based on singly terminated filter design theory". With the value I calculated according to the specifications in my case, (...)
Hi Depending on your power requirement, you should use lumped elements. Especially if your requirement is that it should be very compact. Regards
I want to design a power divider of 800W(CW). Can the divider use microstrip line? who can give me some advice or reference papers?
Hi all, I can't achieve more than 8 dB of Xpolar discrimination (XPD) in the main direction for a single feed square patch with 2 truncated corners. ?is it possible to achieve a higher value?. I've tried with two feeds in phase quadrature and I achive an XPD=20 dB but I will need to design an hybrid or a wilkinson power divider which adds more com
Absolutely. But the frequency of each signal have to be within the bandwidth of the Wilkinson power divider/combiner.
Hi all, I am building an antenna array based on microstrip p@tch antenna. I am now looking at a 2element array. Before I design a power divider, I want to simulate the array using two waveports. To study the overall pattern, I want to excite both ports simultaneously. Is it possible to do in CST MWS ? Thanks for your time. -Arun
IE3d is good for determining microstrip antenna's resonance frequency and input impedance, also good for simulating microstrip structure devices,i.e.power divider and coupler. But fail to get wide-angle pattern. If want obtain an accurate pattern plot, use HFSS with PML boundary.