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RE: You are absolutely right!

Hi Luca

Here is some old(1966) Philips AG9007 60W OTL Circlotron HI- FI Tube amplifier design.

Found interesting in this design that Philips designers used 2x2 symetrical Negative Feedback.
First NFB loop is symetrical from output stage to driver stage only,and second GNFB loop is symetrical from output stage to input stage.
Best regards
Check this link:



Edits: 10/14/10

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  • RE: You are absolutely right! - Banat 10:10:48 10/14/10 (0)

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