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Small Signal Analysis of MOS Active Load
written 5.7 years ago by gravatar for vedantchikhale vedantchikhale • 830 modified 4.8 years ago by gravatar for ankitpandey ankitpandey • 100
microelectronics
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written 5.7 years ago by gravatar for vedantchikhale vedantchikhale • 830 modified 5.7 years ago by gravatar for yashbeer yashbeer ★ 11k

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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, …

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