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MWOffice simulation of DIode Input Impedance - RF Cafe Forums
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jatbakar
Post subject: MWOffice simulation of DIode Input Impedance
Unread postPosted: Thu Sep 30, 2004 2:57 am
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Lieutenant
Joined: Mon Sep 06, 2004 5:43 am
Posts: 4
A question on using
Microwave Office. I don't have a spectrum analyzer, and would like to
simulate a schottky diode (doubler) chip in microwave office.
1)The
manufacturer Agilent provided SPICE parameters, but is this enough?
2) And do I use the Z parameter in linear simulation?
I also tried
simulating it using an equivalent linear circuit given, but the results
were vastly different from using SPICE parameters.
What is the
best way of doing it? WOuld completely appreciate (REALLY) the help.
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Profile
Guest
Post subject: Non Linear
Unread postPosted: Thu Sep 30, 2004 7:51 am
Since a diode doubler
is highly non-linear you should use the spice model for your simulations.
You then woud then wan tto use a harmonic balance simulation to determine
the impedance. The linear Z-parameters won't help unless you know that
they were measured at large signal at the same operating point. The
spice model is your best bet.
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jatbakar
Post subject: more questions
Unread postPosted: Thu Sep 30, 2004
8:12 pm
Offline
Lieutenant
Joined: Mon Sep 06, 2004 5:43
am
Posts: 4
Thank you for the tips, but im really slow at this.
DO I select the
Z comp parameter under NonLinear>PArameter?
WHy does this option onlygive me the magnitude.
Thanks again,really
appreciate the help!
Posted
11/12/2012
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