... ββFF+≅1, then IIICFBFCBO=+ββ (12.43) so III B CFCBO=−β (12.44) The loop equation of the base-emitter circuit of Figure 12.6 (b) gives ()VV IR RIIBB BE B BB E B C−= + + ... αICIEIRIFRIFRIFVBCVBEI B α++ - < /b> - Figure 12.2 Ebers-Moll Static Model for an NPN transistor (Injection Version) The voltages at the base-emitter and < /b> base-collector junctions ... ====8102505512ΩΩΩΩΩΩ,,,,,. Determine (a) midband gain, (b) the low frequency cut-off, (c) high frequency cut-off, and < /b> (d) bandwidth of the amplifier. Solution MATLAB < /b> Script % % common-source amplifier %...