This problem investigates the CG confi guration of Fig. P6.36 as a voltage amplifi er and assumes ro Þ `. Find the low-frequency gain a0 5 voyvsig and use OCTC analysis to estimate f23 dB if Rsig 5 3 kV and RL 5 30 kV. Assume the FET has gm 5 1.25 mA/V, x 5 0.2, ro 5 15 kV, Cgs 5 250 fF, and Cgd 1 Cdb 5 100 fF.
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