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Re: Ansoft HFSS to HSpice
my understanding is that the s-parameter has to be converted into RLC netlist before hspice can do anything about it. ansoft has some package for this purpose.
If you have some budget to spare, consider PNA. R&S also worth consideration.
If you definitely want 8720 class machine, consider Anritsu. They offers much lower price with similar performance.
The only reason why the DC current changes with a AC coupled load is that the PA oscillates when terminated by the antenna switch. If this is the case, you need carefull oscillation analysis.
Among the major IC design flow, e.g. Cadence, Synopsys (Avanti), Mentor, which one do you recommend for Analog IC design in Linux or Sun Solaris Environment in terms of simulation, layout, rc extraction, foundry design rule/model support.
Is availability of Linux version a PLUS?
Thanks.
This is one of the un-explained error message in HFSS.
HFSS has all kind of error message that puzzles the users.
It is absolutely normal. Nothing to do with the license or installation. The only problem is error in problem setup.
After all, HFSS is written for the experts in @nsoft.
if you are designing something that is going to be implement in a system, conforms to he system requirement of input and output impedance. otherwise, the behaviour may not be the same as simulated.
if this filter is just an academic excercise, it is fine. even though the equipment (network...
Setup Harmonic balance analysis.
Insert a voltage source in the schematic.
Sweep the source voltage, e.g. vin
Label the output node, e.g. vout
At the data display, plot dbm(vout) vs dbm(vin)
I guess it is in the manual. Hopes it helps.
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