It depends on impedance of next stage.
Here you have to consider modes, differential and common.
You should be aware that a real amplifier is driving a load, otherwise it would be useless.
Specifying the load for your OTA simulation is a matter of convention respectively the intended application. Using a low load impedance value like 1 ohm is a valid choice to have little influence of OTA output impedance on the measurement. But there are other possible choices.
Simply you can not understand very basic things at all.There is no next stage. only one OTA.
This is very natural result.first I put a 1 Ohm resistor between output node to Ground.
THD= -29dB obtained!
this is wrong.
No idea what this means. You have 2 output nodes, ground node and one resistor, what's the circuit?first I put a 1 Ohm resistor between output node to Ground
Can you understand basic building block in gm-C filter ?(2) I can not understand what you mean?
Did the authors of the paper obtain this THD in ADS environment or Cadence ADE ??
hello BigBoss
None of them. they worked in HSPICE 0.18 µm standard CMOS Technology.
is it important?
i uploaded this paper in this thread. can you see?
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