odyseus
Advanced Member level 4
![Full Member level 1](/styles/images/ranks/elevel1.gif)
- Joined
- Dec 31, 1999
- Messages
- 115
- Helped
- 6
- Reputation
- 12
- Reaction score
- 4
- Trophy points
- 1,298
- Location
- Cold & Wet Europe!
- Activity points
- 1,216
Hi All,
When I optimise say a filter in ADS/Momentum, I set the goals for example db[S11] <= -18dB over a particular frequency range.
How can I do the same with optimetrics?
So far I do this..
(1) I set the variables to be optimised (lengths, widths of the microstrip circuit elements).
(2) I select parameter dB(S(WavePort1,WavePort1))
(4) Select frequency range.
(3) Set condition to <=
(4) Set goal to -18.
(5) Set Weight to 1.
Not sure what to enter for acceptable cost though, so I leave it at 0??
However when I select optimetrics analyse, It always bombs out with something about invalid expression?
Please could someone give me a swept optimetrics example using S-parameters or explain how to set the parameters, as usual the various examples/literature from Ansoft is crap!!!
When I optimise say a filter in ADS/Momentum, I set the goals for example db[S11] <= -18dB over a particular frequency range.
How can I do the same with optimetrics?
So far I do this..
(1) I set the variables to be optimised (lengths, widths of the microstrip circuit elements).
(2) I select parameter dB(S(WavePort1,WavePort1))
(4) Select frequency range.
(3) Set condition to <=
(4) Set goal to -18.
(5) Set Weight to 1.
Not sure what to enter for acceptable cost though, so I leave it at 0??
However when I select optimetrics analyse, It always bombs out with something about invalid expression?
Please could someone give me a swept optimetrics example using S-parameters or explain how to set the parameters, as usual the various examples/literature from Ansoft is crap!!!