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

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 69 time(s).

The graphs are created using the ZEDgraph plugin.

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

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

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Joined: 04/07/2015(UTC)
Posts: 4,852

Was thanked: 801 time(s) in 635 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.

Utilities Matrix TimesTable.sm (31kb) downloaded 16 time(s).
Offline alyles  
#3 Posted : 14 February 2020 22:43:13(UTC)

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Joined: 23/03/2016(UTC)
Posts: 214
United States

Was thanked: 75 time(s) in 46 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 34 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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