Propeller Head Plaza

Technical and scientific discussion of amps, cables and other topics.

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RE: Long-term DBT example

Posted by rick_m on April 28, 2008 at 18:11:43:
Hmmm, I didn't do a DC sweep. There, I just did, well a triangle...

I had had my pot set for 100K figuring it was close enough but I changed it to match yours. I get...

-32.4dB 2nd
Slopes=.948,1.054

Essentially the same thing. The models in Simetrix are ostensibly an 072 and 4148, but I didn't look at their parameters.

I'm probably missing your point. But it is sort of comforting that the simulations are close. If we do anything further with this and you send me your model I'll also use LTspice. Speaking of which, I've got an LT3837 based flyback switcher half designed and better get back to it if I want to eat.

Regards, Rick