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Hello everybody,
I actually try to design an oscillator 14 GHz on ADS,
my goal in S parameter simulation is reached ( Nyquist criterium are OK for now )
but when i want to do an Harmonic balance simulation to see the output Power and the phase noise, i use an oscport like...
cst helix design
Oh I find something about the helix in the help of CST about the rotate face dialogu
it is explianed...
you must do Objects then pick then pick face, then click on object, then rotate
and in this dialog box you can choose all the parameters to design your helix:D
cst rotate to draw helix
hello everybody.
I would like to design an antenna using a shape of helix
I use CST software, I know it is possible to do this , I have seen some examples on internet but I don t know how to do for the moment .
If someone know please tell me,
I think I must draw...
Hello
I am interesting about the LTCC technology to realize some very small circuit amplifier, filter...
There is someone here who can tell me more about this technology, how to begin maybe which software is usefull for this technology ( sonet seems good ), which compagny I can contact
IF...
lumped-element wilkinson splitters
Hello everybody.
Actually I must design a splitter /combiner at the low frequencie between 75 MHz to 260 MHZ.
At the beginning I would like to use the microstrip technology and design a wilkinson splitter but with my frequency my design will need to...
cst error port mode
hello
Someone can help me for this problem ?
Actually I work with 2 versions of CST software one old and one new.
I have done a model in the new version.
then
I need to transfert my model realized in the new version to the old version of CST.
but this old version...
A question about the dielectric resonator
How i can recognize the special mode HE11 very useful for dual mode filter in a dielectric resonator put inside a cavity. If you know something about this or a good website please tell me
thanks
hello
i have an easy question ... about waveguide
With a picture of the E field vector and H field vector inside a waveguide rectangular or circular etc.... ( and a dielectrique resonator also)
how I can find the order of the mode I see.
Someone knows how to recognize which mode TEmn or...
hello everybody,
These days I design a combiner/ divider with the suspended stripline technology at the frequency arond 1 gigahertz. To separate the 2 signalsin input : i use one high pass filter and one low pass filter connected together in parrallele.
But I have a problem...
The problem is...
hello everybody
Who can help me to find a web site or a document where it is written the stripline formulas, for example Zo for a stripline line
and also the capacitor and inductor formula in this technology versus frequency, W, H...
thanks
Re: Combiner ...
rancohen_2000
So the frequencies in input the same or not is not a problem...
Ok thanks for the schematic from ADS, I reconise... this software.
Re: Combiner ...
Hello
thanks for your help,
but
I would like to know more NOT about the power combiner/splitter but
about the combiner/splitter where in input ( for a combiner ), we send different signal frequency.
Frequency 1 and frequency 2 in input 1 and input 2 ( for a combiner ) and...
Combiner ...
hello everybody.
It is maybe a very easy question for someone...but...
Please
someone can give me a web site address or a documentation about the RF and microwave Combiner.
I know what is this device, but i would to know more about this device, electric schematic with...
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