- 易迪拓培训,专注于微波、射频、天线设计工程师的培养
filter design in ads
Run SP Analysis with activating calculation of group delay.
If you would like to evaluate group delay as post processing, calculate it like following.
group_delay = -diff(unwrap(phaserad(S12),pi) )/ (2*pi)
However, I don't recommend calculation by post processing.
hi thanks for your guide , i am so sorry , but i dont know do this work and work with sp analyzer. Please get more guidance
Many thanks to
Read following.
http://edocs.soco.agilent.com/displa...tingGroupDelay
again,thanks
mr works that i do , at first design a filter with layout
. then simulate that and saw result .such as s12,s11 ,phase.smith
after that i performed from tools menu after SI/PI ANALYZER clicked
then , performed options in this window.
finally, clicked ok. then make a schematic , in this schematic i dont know what ?
also i simulation s parameter palette and term component and in the simulation s parameter and in parameter tab i perform group delay option, after that i did simulation . unfortunately below error :
Simulation / Synthesis Messages
Warning detected by hpeesofsim during netlist flattening.
Cannot find substrate `MSub1'.
Error detected by hpeesofsim during netlist flattening.
`Cros1': Expected a substrate model for parameter `Subst'.
Status / Summary
hpeesofsim (*) 370.600 Mar 3 2011 (64-bit built: 03/09/11 08:31:42)
Copyright Agilent Technologies, 1989-2011.
--------------------
Simulation terminated due to error.
--------------------
please guide me .
thanks
Simply, necessary components don't exist in your schematic.
Show me your schematic.
today i dont have schematic in my office. tomorrow i show that to you. but when i selected sp/ip analyzer in layout and adjust options in this window , and after that a schematic was make and in this schematic perform group delay option .
do schematic was made isnot layouts schematic?
if isnot true , what do i do?
thanks
i will take to you my layout , tomorrow
It is very difficult to read your sentences.
Write sentences with grammatically correct English.
[QUOTE=pancho_hideboo;1274152]It is very difficult to read your sentences.
Write sentences with grammatically correct English.[/QUOTE
please give me your email for send my layout and images performed group delay option
my email is g.kh1367@yahoo.com
thanks alot
[QUOTE=david20;1274609][QUOTE=pancho_hideboo;1274152]It is very difficult to read your sentences.
Write sentences with grammatically correct English.[/QUOTE
please give me your email for send my layout and images performed group delay option
my email is g.kh1367@yahoo.com
thanks alot[/QUOTE
hi Mr
I also tried using the equation, but the error again. Please I really need your help
thanks
[QUOTE=david20;1274609][QUOTE=pancho_hideboo;1274152]It is very difficult to read your sentences.
Write sentences with grammatically correct English.[/QUOTE
please give me your email for send my layout and images performed group delay option
my email is g.kh1367@yahoo.com
thanks alot[/QUOTE
hi Mr
I also tried using the equation, but the error again. Please I really need your help
thanks
Sorry, I don't show you my personal e-mail address.
I got to take group delay.
Thank you very much engineer
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