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103 Threads found on edaboard.com: Microstrip Bandpass Filter
Try simulating this one with Pspice or Electronic workbench. The "lower" end of the strip is grounded. The bottom of the PCB is all ground. The specific dimensions depend on the dielectric but generally the wider the "vertical" part and the closer to the ground is the connection with in/out,the narrower the bandwidth. The limit is set by the lo
which is the best type of microstrip bandpass filter for the application of bluetooth and what is the best substrate to use???
i want to design a hairpin microstrip bandpass filter for bluetooh application (center freq 2.45GHz) on the roger 4003c subtrate.But ii dont have any idea how to start the design.Anybody could please help me on the equation for the filter dimension.What is the best specification for a hairpin microstrip (...)
or this book "microstrip filters for RF/microwave applications". This is by a guy called Lancaster. You can also search for articles on him. He and his group makes a lot of compact filters. Regards
hi guys I'm dealing with a project to design an ultra-small microstrip bandpass filter in which the filter is preferably square-shaped with dimensions 27-30mm?.The PCB substrate is Duroid (er=2.5) and I'm using ADS( Agilent Advanced Design System) as simulation tool.The filter is designed for Ku band (...)
i need to design a microstrip bandpass filter for Ku band frequency range the resonant frequency is designed at 12.5GHz while the bandwidth should be in the Ku range 11.7-14.5GHz my question is does the PCB substrate FR-4 suitable for designing microstrip filters for high frequency range that i would be (...)
You may reference this book microstrip filters for RF Microwave Application (Jia-Sheng Hong & Lancaster). There is one special chapter for the miniature microstrip bandpass filter.
You can use also intedigital or combline microstrip filter, because of the fractional bandwidth≈0.21
hie can you guys pls recommend some good online reference books, journals, pdf documents or other sources which describes designs for microstrip bandpass filter? I am dealing with a new type of microstrip bandpass filter project and I need some suitable references in order for me to complete (...)
hi guys can I get some lectures or tutorials on microstrip bandpass filter design? Thanks alot
Hello guys! I would like to design a microstrip bandpass filter with a BW@ 3dB beetween 5.7 GHz to 6.8 GHz . My question is what is the best topology hairpin, coupled line? what is the best subtrate? thank you for your help
I want design microstrip bandpass filter Fcenter = 600 MHz with methode Half-wavelength UIR with tapped-line ports and T-shaped center stub. Can anyone help mee about the calculation methode Half-wavelength UIR with tapped-line ports and T-shaped center stub.????:-)
i want to know approximately how much would be loss in 3 and 5 or more elements microstrip/bandpass filter at frequency above 10 ghz. in case frequency is in filter bandwidth center
Dear all, I had simulated a microstrip bandpass filter using Ensemble, and three poles were obtained in the passband. So, can anyone tell me the method to determine the number of poles of a bandpass filter? Thx a lot... Best rgd!!!
what material is best or suitable to design it, if i design bandpass filter using stepped impedance resonator)SIR for bluetooth application. And also why SIR is better than UIR?
Hii I am new to microstrip filter design. Can anyone tell me good reference material that helps to do quick designs using ADS. Also, if anyone can help me with their layout projects, suggetions. At the end of this project I want to have a bandpass filter for 2.4GHz on FR4 with good out of band rejection (...)
I was in this situation few times. The central frequency of the microstrip bandpass filter will match pretty well x2 or :2, but the bandwidth and rejection of the new filter will be totally off, and doesn't follow any halving/doubling correlation.
I've designed a microstrip bandpass filter in range 3.2-3.9 GHz using ADS. The substrate is FR4 (Er=4.7,tand=0.01,h=1.6mm). The simulation run ok and everythinng seemed to be ok. But when I built the filter and started to measure I discovered few strange things. First, the whole filter response was shifted (...)
I'm designing microstrip bandpass filter to be used in 3.1-3.8Ghz I'm getting about 18dB in S11 Is it good or bad? I'm using FR4 with Er=3.7
Hello everybody!! I need to design a tunable bandpass filter 910-1150MHZ center frequency and 20MHz bandwidth to included in a bigger design. I haven't been able to find many articles-white papers-books or former design in the web. Could please anybody help me, ideas, papers, resources???? The idea is quite clear, suppose coplanar or (...)
Hi I to had to design such a filter a year ago. I can tell you that there is no "cookbook" like when you design low, -high or band pass filters from Pozars book. I can recommend articles escpecially from M. J. Lancaster. He has also written a book called "microstrip filters for RF/microwave applications" which could be (...)
who I can design microstrip bandpass filter ?(2GHZ) Is there any info on internet about this subject?
Recently I designed a microstrip BPF at this freqency using Taconic RF60A (Er=6.15. loss tangent=0.0018), which is quite good for both size and performance.
well there's many implementations depending on your specs and applications like coupled lines capacitive gaps zigzag filters hairpin resonators filter and comblines read pozar and mathaei for background also microstrip filter jia sheng hond and lancaster or if you need a fast design try the ADS design guides
If you are talking about microstrip interdigital filter (this is smallest and least expensive realization), then 0.402" is good length for such filter. I include screen shoot from quick design that shows all dimension and S21 and S11 plots. This is schematic simulation only. EM simulation will provide response shifted down about 10% in (...)
I am trying to design microstrip bandpass filter. I have calculate the even-mode and odd-mode characteristic impedance, but i dont know how to calculate the width and the space for the filter. Can anyone help me. Below is the data i obtain: j (Z0e) (Z0o) 0 82.9367 37.6092 1 (...)
microstrip bandpass filter Bandwidth: 900 Mhz to 1100 Mhz. Hi, Can any one please help me to design this filter? I am new in this field. I am using Ansoft Designer. Which type will be suitable? stepped impedance filter, combline filter, hairpin filter, (...)
Hello everybody, Fist off, I'd like to thank this community for all the valuable information and the answers to many of my questions I've found here so far. This is my first post. Although microstrip filters are not the main part of my job, I need to design one every now and then. Up until now, the design flow I've followed is described below
USE die-electric resonator methods as microstrip circuits are wide band in nature.
Hello, BPF_Layout.jpg is a microstrip stub-line filter... Transversal_filter.jpg microstrip coupled resonator filter... ---manju---
Hello, Yes, FR4 is not good for your High Frequency filter.. Try alumina (Er 9.8)... There are good books on filter Design & also synthesis works with AWR Microwave Office... Text book: J.-S. G. Hong and M. J. Lancaster, microstrip filters for RF/microwave applications, John Wiley & Sons, Inc., 2001. (...)
hi...can anybody tell me which type of filter design recently used for bluetooth?i've been searching this thing but still dont get it..help me plz... and if i decided to fabricate parallel coupled line what is the advantage of it compared to hairpin filter?
hi... i'm new to this software, cst microwave design, so i really need help regarding this software. i need to design a microstrip hairpin + stripline bandpass filter for UWB application. can any of you recommend a tutorial or lab sheet or books that i can download it as my references?.
Hello, The Best microstrip filter book I like & suggest is "microstrip filters for RF/Microwave Applications" by JIA-SHENG HONG and M. J. LANCASTER which shows step by step procedure using CAD tools... Also Try using Nuhertz filter Solutions filter Synthesis tool.... Its great tool (...)
hi all I'm going to design a microstrip bandpass filter using microwave office software.the filter pass band is:9525~9625 MHz.would you please tell me that which filter type is approperiate for my job? for example?hairpin?interdigital?? thanks in advance
Hi everyone, Can you help me to design a band pass filter using ADS and microstrip technology. The parameters of the band pass filter are: 1. Center frequency: 1.575GHz 2. BW=50MHz and the following is parameters of the substrate: 1. εr=4.6 (Fr-4) 2. H=1.59 mm 3. T=0.035 mm 4. Tand=0.02 5. Match Impedance = 50 Ohm In (...)
hello friends...i'm beginner in this forum....i from Malaysia....anybody can help me to design 1.5Ghz microstrip antenna for GPS receiver...plz email me at nyamook@hotmail.com....thanx
Many references are all come to an equation which is difficult to solve. And many references mention the design briefly or only use software to simulate. Anyone can design the waveguide filter step by step just like the parallel coupling microstrip filter design? :) :) :)
Pls look at this ebook: microstrip filters for RF/Microwave Applications microstrip filters for RF/Microwave Applications. Jia-Sheng Hong, M. J. Lancaster publishers: 2001 John Wiley & Sons, Inc. ISBNs: 0-471-38877-7 (Hardback); 0-471-22161-9 (Electronic) Contents Preface xi 1. Introduction 1 2. Network (...)
If some need this book,you can find it in the mcu server. The title is:microstrip filters for RF Microwave
in @DS there r many tools u can use to design and simulate the filters there is passive design guide which u can design many types of microstrip matching networks and filters and simulate them abd u have filter design guide and E-syn the manuals of these tools will help u to get more thanm u want Khouly
Hi I have designed and fabricated a 5th order parallel coupled bandpass filter, however i've noticed that the gain of the actual measured circuit is much lower than that of the schematic simulated case (refer to attached diagram for simulated and measured results) thus i would appreciate it if anyone one can tell me what are the factors that contri
Hello Amicloud. Would you happen to have a paper about coupled lines in suspended microstrip technology? I'm surching for a paper where I could find closed or approximate formulas to get coupling coeficient, effective dielectric constants (even and odd) and even and odd characteristic impedances,for given W (strip sidth), S (gap between strips),
I'm designing microstrip BPF now and I?ve got the same problem as in doc. Does anybody know what kind of ?seeded mesh? was used in this example at site 16? There is very good distribution of tetrahedra: a lot of small ones near the irregularity and bigger
Here is an example of Genesys Tline module calculation of microstrip line parameter, including unloaded Q
hie ther i need some information about electromagnetic waves propagation in microstrip and I hope you guys could help me. 1) how does the variance of widths and lengths of microstrip affect electromagnetic wave propagations in it ? 2) why does a design becomes smaller in size during realization when using a substrate with high dielectric cons
Hi, i cant upload so many papers and u pls google these papers..hope this will help u:-) Varactor-loaded split ring resonators for tunable notch filters at microwave frequencies Tunable split-ring resonators for nonlinear negative-index metamaterials Tunable Metamaterial Transmission Lines Based on Varactor-Loaded Split-Ring Resonato
you can read <microstrip filters for RF-Microwave Applications> by J.S.Hong
your bandpass filter is a waveguide combline filter, just like the microstrip combline filter. Due to the loading effect of the gap capcitance, the height of the metalice post is smaller than quarter-wavelength (TEM). You can search IEEE explore, there are many papers about this kind of filter.
Are you talking about microstrip filter? Length determines the resonant frequency, spacing determines the coupling strength (thus bandwidth), width determines the microstrip impedance.