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...'', and the circuit becomes a version of the [[hybrid-pi model]] for the [[bipolar transistor]] with an infinite ''r_π'' resistance and an input capacitance

...electronic devices used to provide gain (for example, [[vacuum tube]]s, [[Bipolar transistor]]s, [[MOSFET]]s) are [[nonlinear]]. Negative feedback is a circuit techniq

...to the [[MOS capacitor]], or the [[Semiconductor diode|pn-diode]] or the [[bipolar transistor]], this switching time is very fast because it is not limited by the respon