K&K Audio / Lundahl Transformers

RE: Casode CCS Question

24.47.70.101

In Reply to: RE: Casode CCS Question posted by danlaudionut on May 14, 2009 at 21:52:30

..cascode stage increases the impedance of the load to the tube so tube distortion is lower, the stage transconductance is the transconductance of the gain tube, mu follower is just to lower the output impedance of the gain tube+ cascode load, the mu follower output impedance is about 1/gm of the mu-follower mosfet (actually somewhat lower) and mu-follower does not contribute to the voltage gain (actually, mu follower attenuates the signal about 0.8 times or so)

Follow Ups:

RE: Casode CCS Question - danlaudionut 07:38:57 05/15/09 (1)
- RE: Casode CCS Question - humless 18:10:10 05/15/09 (0)

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