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In Reply to: Now I am wondering if you know how our circuits actually work. posted by Ralph on December 28, 2015 at 09:08:10:
From what I have seen, the top portion of the circuit is not arranged as a CCS (I don't consider a cascode configuration to be related to a CCS since the load seen by the bottom triode is very low).
Such topology is reminiscent of Allen Wright's old circuit cookbook.
Still, you're going to get more self noise from the cascode differential pair than you would from a single cascode stage. This doesn't matter all that much in a linestage or power amp, but will start to bite you in a phono preamp.
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Follow Ups
- RE: Now I am wondering if you know how our circuits actually work. - Caucasian Blackplate 10:13:12 12/28/15 (1)
- We actually predate Allen Wright in this department :) - Ralph 10:46:53 12/28/15 (0)
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