Lect. 13: High-Frequency Model of MOSFET (4.8)
Lect. 13: High-Frequency Model of MOSFET (4.8)
Lect. 13: High-Frequency Model of MOSFET (4.8)
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<strong>Lect</strong>. <strong>13</strong>: <strong>High</strong>-<strong>Frequency</strong> <strong>Model</strong> <strong>of</strong> <strong>MOSFET</strong>For any circuit having capacitors and inductors,1 1use Z= (or ) for capacitor impedance and Z= jωL(or sL) for inductor impedance.jωCsCVo( ω) Vo( s)(or ) = ?; <strong>Frequency</strong> response, System function, Transfer functionV( ω) V( s)ii1Vo( ω) jωC1 1 1= = = ( ω0= )V ( ) 1iωR1 j RC ω++ ω1+jRCjωCωV ( ω) 1 V ( ω)−1ω= , ∠ =−tanV ω ω ωoo( )2i 1+ω Vi( )ω2000Electronic Circuits 1<strong>High</strong>-Speed Circuits and Systems Laboratory
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