In Reply to: Not enough gain on 76 posted by deafbykhorns on November 26, 2016 at 18:32:19:
You mentioned the 5687. A similar high gm/low RP type. with a μ of 22, is the ECC99. With CCS loading, you'd get the gain wanted.
FWIW, Lynn Olsen has used the ECC99 in his 300B designs.
Eli D.
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Follow Ups
- RE: Not enough gain on 76 - Eli Duttman 10:36:45 11/27/16 (2)
- RE: This looks good on paper - deafbykhorns 15:12:15 11/27/16 (1)
- RE: This looks good on paper - Eli Duttman 21:36:08 11/27/16 (0)