I have a question about the gain of a differential amplifier that I'm using in a circuit.
I've attached a schematic below, I would like to know if my equations are right.
Diff. mode gain = gm1 ((1/gm1)||(1/gm3)) x (gm7/gm7+gm8)
Common mode gain = ((gm1/gm3)/1+gm1ro4) x (gm7/gm7+gm8)
Thanks!
I've attached a schematic below, I would like to know if my equations are right.
Diff. mode gain = gm1 ((1/gm1)||(1/gm3)) x (gm7/gm7+gm8)
Common mode gain = ((gm1/gm3)/1+gm1ro4) x (gm7/gm7+gm8)
Thanks!
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