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Old 15th October 2012, 08:08 PM   #251
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Quote:
Originally Posted by Joachim Gerhard View Post
I am eager to see the Interfet at work, bipolar works anyway. That is always an option and i did it in the Paradise.
See an even better bipolar low noise circuit. Forget the post before.
that is an interesting circuit.
If you are eager to see the Interfet at work then let's continue with that path.
The only thing is that I am concerned with gain.
With 750mS dual package there shouldn't in theory be any issue with reaching out the needed gain, it's just that on simulation it looks like a huge amount of current is required.
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Old 15th October 2012, 08:59 PM   #252
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Bad News on the IF3602.
I called the company and there is a lead time for these of about 12weeks now.
They are really nice and it is possible to buy small order with just a minimum of $450 which isn't bad at all and he mentioned that they can do less parts on Credit Card if needed.

So it is possible to have these parts but the time is just very, very long!

If there is anybody that knows how to obtained them from a distributor or something please let me know!
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Old 15th October 2012, 09:54 PM   #253
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Quote:
Originally Posted by Joachim Gerhard View Post
I am eager to see the Interfet at work, bipolar works anyway. That is always an option and i did it in the Paradise.
See an even better bipolar low noise circuit. Forget the post before.
Joachim I am trying to get this application circuit working on spice but it appears not to work.
I am attaching the picture of the simulation, I am sure I am missing some stupid connection or something.
Attached Images
File Type: jpg application note.JPG (54.7 KB, 127 views)
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Old 15th October 2012, 10:08 PM   #254
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My scan was not that good. You can go to the Analog website and find the Mat04 data sheet. It should work.
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Old 15th October 2012, 10:16 PM   #255
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lens.unifi.it/ew/dwl.php?dwl...mtyp.../pdf
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Old 15th October 2012, 10:18 PM   #256
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use this link :http://gcheney.eng.uml.edu/Courses/F...6565/mat04.pdf
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Old 15th October 2012, 11:28 PM   #257
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That is what I used but apparently the simulator says it doesn't work.
I have double checked vales and connections but I don't know what I missed...
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Old 16th October 2012, 09:16 AM   #258
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probably a teflon cap..!!
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Old 16th October 2012, 02:14 PM   #259
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probably a teflon cap..!!
ahahah that's funny!!!
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Old 16th October 2012, 03:13 PM   #260
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OK, we have a running gag now !
Now the show can begin.
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