Ideal vs. Nonideal Op Amps: Difference between revisions
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New page: {| class="wikitable" border="1" |+ ! Ideal !! Nonideal |- | Infinite input impedance || Things beyond the scope of this class |- | Infinite open-loop gain A || Pure ugly |- | Zero gain fo... |
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! Ideal !! Nonideal | ! Ideal !! Nonideal | ||
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| Infinite input impedance || | | Infinite input impedance || Input impedance of about 1M <math>\Omega for IC op amps; as much as 10 <sup>12</sup><math>\Omegafor op amps with field effect transistor | ||
|- | |- | ||
| Infinite open-loop gain | | Infinite open-loop gain for the differential signal || Open-loop gain typically between 10<sup>4</sup>and 10<sup>6</sup> | ||
|- | |- | ||
| Zero gain for the common-mode signal || Poop | | Zero gain for the common-mode signal || Poop | ||
|- | |- | ||
| Zero output impedance || | | Zero output impedance || Output impedance typically between 1 and 100 <math>\Omega | ||
|- | |- | ||
| Infinite bandwidth || beat up books | | Infinite bandwidth || beat up books | ||
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Revision as of 00:57, 11 January 2010
| Ideal | Nonideal |
|---|---|
| Infinite input impedance | Input impedance of about 1M <math>\Omega for IC op amps; as much as 10 12<math>\Omegafor op amps with field effect transistor |
| Infinite open-loop gain for the differential signal | Open-loop gain typically between 104and 106 |
| Zero gain for the common-mode signal | Poop |
| Zero output impedance | Output impedance typically between 1 and 100 <math>\Omega |
| Infinite bandwidth | beat up books |