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Madengnr,
I have got the DRO to work @11.2GHz. The quality you suggested seems very high being R=50,000, when I reduce R to 5000 as it should, I experience non convergence! Is there anyway to overcome this problem?
One change I would like to make is to change the frequency to 10.5 GHz with...
yagi simulation
tv60s,
The following six element yagi will give you an idea of the gain of 7.6dB, good VSWR and good radiation pattern. It is of a rather conventional design with equal spacings and equal element lengths.
You can scale from the data and simulate using HFSS.
Good luck
Wyn
Added...
Madengnr,
Many thanks for all your problem.
I will see if I make it work today. I had glimpse of it working albeit at not the correct frequency.
Regards,
Wyn
Madengnr,
Thank you. You are great. I download the file but it does not seem to show anything in my MWO which is a version 2002. Do you any reason for not being able to open it?
Best regards,
Wyn
Added after 3 hours 33 minutes:
Madengnr,
I am happy because I have had glimpses of it working...
dro oscillator
I am trying to make a LO for my Ku band satellite receiver but I am currently stuck on the simulation of a dielectric resonator oscillator (DRO) to be used as a local oscillator.
Is there anyone out there who can shed some light on my problem? I did a linear analysis of the DRO...
spiral antenna with cst
Spiral antenna simulation is a fascinating topic! I get good results for an equiangular spiral antenna at 10 GHz! Good circular polarization. The simulation did not seem to take as long as often feared: 3hours!
Wyn
yagi antenna frequency scaling
tv60s,
I spend a lot of times designing Yagis. I have tow suggestions to make
1)To get better gain you must improve the coupling between the active element and the first diector by bringing the first director closer to the active element. In this process you may...
ne72218, replace
madengr and abhishebabs,
I believe that I tune the oscillator to have a mag.>1 and phase=zero.
I think that I may do something wrong with the setting up the simulation. I hope that you can shed some light on my shortcomings.
Many thanks.
Wyn
ne72218
Madengr
Thanks. I was on a bus that wnet past Kansas City once!
What I am doing is to repeat the non linear analysis of a DRO in the application note of California Eastern Laboratories AN1035. I think I get the resonance curve and the phase OK, but when I connect the OSCAPROBE to get...
nonlinear fet models
How can I allocate nodes 1,2,3 for a non linear model of a microwave FET using MWO? One way that is acceptable to MWO is to use ports but what should the impedance of each port be 50 Ohms or the resistance of the corresponding gate, drain and source resistance?
Please help.
Wyn
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