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By other words,
As long as the circuit is driven that way, the first pole does not exist. Because the capacitance at the base does see a very low impedance (voltage source).
I agree with Davood.
This problem was solved using superposition (because of the existance of 3 voltage sources).
If the problem was only as shown in (a), then the answer would have been In1 only.
- AD
MOS transistors are generally much better switches than Bipolar.
If your signal is a constant 1.4V (or changing below 1.4) then using an NMOS switch is more useful than using a PMOS or a CMOS switch,
BUT if signal > 1.4 then using PMOS will be better.
The only place where using CMOS is...
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