Good design practice

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Sonny,

Thanks for your help. The sims seem to work well and I have a much better understanding of both the differential pair and that specific type of gain stage.

Jocko,

I gave your suggestion a go and it works quite well. I'll post the schematic/results for you.

You guys make this seem easy. Then again I suppose it is for you. How long have you two been designing your own components?

Thanks again,

Stephen
 

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what you essentially have here is a "differential Zen" Q9/Q10 (with the load on the emitter rather than drain / collector in the Nelson design), driven by a "balanced-> unbalanced" converter / preamp (the input differential stage, Q2/Q3).

Yes, it should work.
 
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