rainman.cn
Member level 2
hi, everyone,
I use the circuit as shown in the pic.
when i increase the Cfb, the noise cannot decrease as predicted,
because the output stage dominate the noise performance when Cfb is large.
how can i solve this problem,
my amp is simple two stage amp with first stage fold-cascade and second stage common-source .
thx,
I use the circuit as shown in the pic.
when i increase the Cfb, the noise cannot decrease as predicted,
because the output stage dominate the noise performance when Cfb is large.
how can i solve this problem,
my amp is simple two stage amp with first stage fold-cascade and second stage common-source .
thx,