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Small Signal Analysis of MOS Active Load
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written 6.6 years ago by | modified 6.6 years ago by |
Figure is the small signal equivalent circuit of the MOSFET active load. The signal voltages Vsg1 and Vsg2 are zero, since there is no ac excitation in this part of the circuit. This means that gm.Vsg2 = 0 and Ro = ro2.
A simple MOSFET amplifier with an active load, …