question about cmos inverter

[alpeshchokshi]

hello friends,
i have question regarding cmos basic inverter.
1) in cmos inverter if i will interchange my nmos and pmos, then what is the name to the new ciruite? what is my output?

2) in cmos inverter if i will connect my output again fedback to the input than how the ciruit is going to work out? what is the name of circuit?

 

[IanP]

Although intended primarily for digital use, the basic CMOS inverter can be used as a linear amplifier by biasing its input to a value between the logic-0 and logic-1 levels; under this condition Q1 and Q2 are both biased partly on ...

Figure 15 shows a practical linear CMOS inverting amplifier stage. It is biased by wiring 10M resistor R1 between the input and output terminals ...

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Regards,
IanP