(trans-resistance) are real constants. Therefore, the waveshape of the input and output signals
will be the same in the idealised models of amplifiers. Moreover, the gain realised in ideal
amplifiers is not dependent on what is connected at the output, since ideal amplifiers are rep-
resented by pure sources at the output.
Thus ideal amplifiers (i) do not affect the circuit in any way at the input connection,
(ii) do not get affected in their characteristics by the load connected to them and
(iii) preserve the waveshape presented to them.
However, practical amplifiers will ...
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