| 11. | The input impedance of the entire string will be 10 " R n ".
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| 12. | Examples are imperfect voltage followers ( emitter degeneration ), whose input impedance is moderately increased.
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| 13. | However, its low input impedance would limit its usefulness to very-low impedance voltage drivers.
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| 14. | :Well, the full answer is that they do not always have a high input impedance.
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| 15. | As compared with the common-base connection, it has higher input impedance and lower output impedance.
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| 16. | ;Symmetrical networks : A network is symmetrical if its input impedance is equal to its output impedance.
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| 17. | One simply needs to know the input impedance R p and to choose the output impedance R s.
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| 18. | A feedback voltage amplifier using an op amp with finite gain but infinite input impedances and zero output impedance.
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| 19. | One method of oscillator analysis is to determine the input impedance of an input port neglecting any reactive components.
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| 20. | This is directly analogous to the definition of characteristic impedance as the input impedance of an infinitely long line.
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