Yeah true, but for laboratory characterization?
I don't think I I've ever had a pulse generator that bad ;-)
"Design is the reverse of analysis"
(R.D. Middlebrook)
AD8218 spice model is messed up.
Jul 19, 2013
46 Replies
Another inconsistency. The data sheet shows some peaking in the AC curves, but the model doesn't ;-)
The ADI model, in spite of all the sections, looks like an ideal OpAmp.
...Jim Thompson
| James E.Thompson | mens |
| Analog Innovations | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| San Tan Valley, AZ 85142 Skype: Contacts Only | |
| Voice:(480)460-2350 Fax: Available upon request | Brass Rat |
| E-mail Icon at http://www.analog-innovations.com | 1962 |
I love to cook with wine. Sometimes I even put it in the food.
Change my OpAmp subcircuit params call to...
PARAMS: GBW=0.2 PM=60
Then it'll match the ADI model, but not the ADI data sheet >:-}
...Jim Thompson
| James E.Thompson | mens |
| Analog Innovations | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| San Tan Valley, AZ 85142 Skype: Contacts Only | |
| Voice:(480)460-2350 Fax: Available upon request | Brass Rat |
| E-mail Icon at http://www.analog-innovations.com | 1962 |
I love to cook with wine. Sometimes I even put it in the food.
Doesn't change much, AFAICS.
Comparison posted to a.b.s.e.
"Design is the reverse of analysis"
(R.D. Middlebrook)
You changed it in the wrong place, see..
From: Jim Thompson Newsgroups: alt.binaries.schematics.electronic Subject: Re: AD8218 model from SED, comparison of transient response, ADI and two JT versions. Date: Mon, 26 Aug 2013 09:57:20 -0700 Message-ID:
Study up on "params" in subcircuits >:-} ...Jim Thompson
| James E.Thompson | mens |
| Analog Innovations | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| San Tan Valley, AZ 85142 Skype: Contacts Only | |
| Voice:(480)460-2350 Fax: Available upon request | Brass Rat |
| E-mail Icon at http://www.analog-innovations.com | 1962 |
I love to cook with wine. Sometimes I even put it in the food.
Yes, I did.
That's my Berkeley 3f habits. no params in Berkeley 3.
Mea culpa.
Same as the ADI model, now.--
Yes,
"Design is the reverse of analysis" (R.D. Middlebrook)
Good! However, neither now match the data sheet regarding GBW. ...Jim Thompson
| James E.Thompson | mens |
| Analog Innovations | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| San Tan Valley, AZ 85142 Skype: Contacts Only | |
| Voice:(480)460-2350 Fax: Available upon request | Brass Rat |
| E-mail Icon at http://www.analog-innovations.com | 1962 |
I love to cook with wine. Sometimes I even put it in the food.
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