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Source follower: A misunderstood humble circuit | IEEE Conference Publication | IEEE Xplore

Source follower: A misunderstood humble circuit


Abstract:

The paper demonstrates that the source follower is the core of such seemingly disparate circuits as the wideband amplifier, crystal oscillator and emitter-coupled multivi...Show More

Abstract:

The paper demonstrates that the source follower is the core of such seemingly disparate circuits as the wideband amplifier, crystal oscillator and emitter-coupled multivibrator. It is shown that the input impedance of the follower loaded by a capacitor has a negative real part. This part compensates partially or completely the resistive component of the signal source impedance. The compensation develops a strong overshoot in the step-signal transmission; in case of inductive component in the source impedance the circuit may operate as well as oscillator. The oscillators can be also obtained coupling two source followers; this may result in new oscillator circuits.
Date of Conference: 04-07 August 2013
Date Added to IEEE Xplore: 02 December 2013
Electronic ISBN:978-1-4799-0066-4

ISSN Information:

Conference Location: Columbus, OH, USA

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References

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