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When biasing the Drain voltage it should always be about half of the supply voltage which is why you often see 4.5 – 5v bias voltages on many builds keeping in mind that nobody gets exactly 9 volts. This is a constant but I do see I need to add that to the build document.


UPDATE: I updated the Build Document and two others that I found this week needing a few minor updates. Sometimes the (human factor) gets in the way and I might miss something but generally speaking I think we are in pretty good shape and a dedicated forum is always a plus when you are not sure.