| 11. | Resistor Rb provides base bias current.
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| 12. | "R v " provides a bias current for both the Zener diode and the transistor.
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| 13. | Input bias current and input offset current also affect the net offset voltage seen for a given amplifier.
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| 14. | Certain circuit topologies may be impractical if no DC path is provided for bias current to the amplifier elements.
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| 15. | An input bias current on the inverting terminal of the op-amp will similarly result in an output offset.
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| 16. | The small signal model is dependent on the DC bias currents and voltages in the circuit ( the Q point ).
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| 17. | That ideal value assumes the bias currents are well-matched, which may not be true for all op-amps.
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| 18. | When the operational amplifier's input bias currents are significant, then the DC source resistances driving the inputs should be balanced.
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| 19. | Appropriate design of the feedback network can alleviate problems associated with input bias currents and common-mode gain, as explained below.
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| 20. | The transconductance of the amplifier is usually controlled by an input current, denoted I abc ( " amplifier bias current " ).
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