CMOS Inverter as an Amplifier :

The inverter is the basic gain stage of CMOS analog circuits. In this the inverter uses the common source configuration with active resistor as a load or a current source as a load. The various configurations of CMOS inverter amplifier are :

1) active load inverter

2) Current source load inverter

3) Push-pull inverter.

Fig1-CMOS-Inverter-as-an-Amplifier.png

Fig2-CMOS-Inverter-as-an-Amplifier.png

Fig3-CMOS-Inverter-as-an-Amplifier.png

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