2 stage transcodutance amplifier with a different bias

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01:13:55

Second stage with a transcodutance cell,
This one uses a different type of common source stage polarization is better for cmrr. For some reason the values of the transistor can't be equal like they are in with a real pdk using cadence. Regardless this was tested in 180 in cadence and worked well with an improved cmrr at a vout centered as vdd/2. The transistors have to be equal or the relation between the current and transistor size between stages. The compensation wasn't added

published 2 years ago

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