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Offline Bocato  
#1 Posted : 14 February 2020 05:57:19(UTC)
Bocato


Rank: Member

Groups: Registered
Joined: 08/12/2019(UTC)
Posts: 11

Hi Everyone,

I have recreated the MathCad design guide portion of the a TI APP Note for how to design an input filter for a switching DC -DC power supply.

The app note source material may be found here:TI APP Note

The SMath file may be found here: SMPS_Input_Filter_Design_TI_APP_Note.sm (556kb) downloaded 50 time(s).

The graphs are created using the ZEDgraph plugin.

Search Keywords:
LOG graph in Smath
LOG LOG Graph in smath
ZEDGraph

Happy Learning!

Edited by user 17 February 2020 04:35:48(UTC)  | Reason: Not specified

Offline Jean Giraud  
#2 Posted : 14 February 2020 18:04:45(UTC)
Jean Giraud


Rank: Advanced Member

Groups: Registered
Joined: 04/07/2015(UTC)
Posts: 4,647
Canada

Was thanked: 791 time(s) in 627 post(s)
Two comments:
1. Better generalize ... LOGLOG Zgraph application [typical suggestion].
So, the most naive search "LOGLOG" or Log log' will retrieve.
2. The way you index is not compatible earlier than your version.
That way of of indexing "Syntax error" is pure freak as applied.
Reserve it for baby stuff, local.

Worth visiting Matrix(n,r,c,α,β)
All my advanced algo are on that style.
Jean

Utilities Matrix TimesTable.sm (31kb) downloaded 15 time(s).
Offline alyles  
#3 Posted : 14 February 2020 22:43:13(UTC)
alyles


Rank: Advanced Member

Groups: Registered
Joined: 23/03/2016(UTC)
Posts: 211
United States

Was thanked: 70 time(s) in 45 post(s)
Cool stuff. As an EE having once specialized in PS design this is really cool.

Just as a side note.. I was able decrease the calculation time by about 1/2 by setting optimization of the whole sheet to numeric. SMPS_Input_Filter_Design_TI_APP_Note_alyles.sm (558kb) downloaded 30 time(s).
Feel free to join the SMath Studio Users Discord Channel: https://discord.gg/PayZpJW
thanks 1 user thanked alyles for this useful post.
on 17/02/2020(UTC)
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