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RE: Cathode Follower Line Stage

I built one in this general flavor. Instead of a choke I have a bi-filar output in the cathode. Also, instead of the triode, with its poor current PSRR, I stuck a MOSFET on top in cascode to improve this and deliver minimum input capacitance. I am running a 5687 at 20 mA.

Where do those chokes you have go self resonant?
cheers,
Douglas

Friend, I would not hurt thee for the world...but thou art standing where I am about to shoot.


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