some BJT dependencies -- the simualation vs. the d/s

the ß by Ic (has a very poor matching)

the saturation region of the collector (has a better matching)

junction capacitance (a realistic matching)

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Op amp output stability

The component level versus the macro model ::

 

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Op Amp dif. CM inp. imp.

 The differential and common mode input impedance of the op amp transistor models ...

 

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The circuits for determining the AvOL (open loop gain) of the op amp

´ 741 ::

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LM324 equivalent transistor model ::

Av ≈ 1.42·10⁶

Av ≈ 1.43·10⁶

Av ≈ 1.48·10⁶

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Univeral Op Amp for probing the CM input range

(in pictures)

A universal ("enough") Op Amp

Old CM Inp-rg. test

New CM Inp-rg. test

 

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