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Hi, alard,
I have a hobby in filter design as well. Personally I would suggest a well good book to read which I believe has a comprehensive explanation of filter design. It's Microstrip Filter Design for RF/Microwave Applications by Lancaster and Jia Shenghong. Inside it explains various common...
Hi, geppei,
The monopole which i'm intending to design is not above ground plane. For I suppose this will generate a field pattern both on top and below the substrate.
Regards
Hi haytham,
thank you for your advice. Is it possible that you send the software to my yahoo mail red1981mage@yahoo.com.sg
Thanx!
Added after 1 minutes:
Hi,
Thanx everyone.
The frequency I am designing for is 860M to 960M. I am not sure about how to calculate the required dimention on...
Dear madengr,
thank you. Is it possible that we can create a monopole antenna using a substrate on PCB. In addition, how do I go about doing it if it is possible.
Regards
Thank you, madengr
what if i would also like to know some design procedures, say if I want to match the antenna to 50ohm, what should i do.
or how could i determine the central frequency and bandwidth by changing the dimension of the antenna. Hope someone could provide a few useful tips...
50 ohm monopole antenna
Hi,
i'm fresh in designing monopole antenna for my project. however, I've heard that HFSS allows me to simulate the antenna radiation and conditions. Can anyone briefly provide me with any tips or steps?
Thank you!
Hi,
coupling coefficient Mi,i+1 = Ji,i+1 / √(bi * bi+1). b are the susceptence slope of the resonator. b = dB/dω. U may need a better understanding of resonator and its impedence at resonance to better understand the susceptence slope.
Actually u can get all the J values and M values from the...
Hi,
since your bandwidth is narrow, you will need high Q, and thus C is smaller. But you can replace a 0.3pF with 0.6 in series with 0.6 if you really want to. I suggest u use ADS to simulate, better. I got attach a 3rd order chebychev with 0.1db ripple schematic. another way is you use 0.01db...
Hi,
I am trying to design a monopole PCB antenna using HFSS. However, I am not familiar with the software as well as concepts of monopole.
1. regarding the HFSS, any friends knows how to create a right structure? I use a thinkless rectangle to simulate the monopole, a box to simulate FR4 PCB...
susceptance slope
Hi, anyone knows how to calulate the susceptance slope of an SIR? I know the normal formular for susceptence slope is dB/dΘ. However, for SIR, there are Z1 and Z2, thus we have Θ1 and Θ2, and the resonence condition is tanΘ1*tanΘ2=Z1/Z2. How could we calulate the susceptence...
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