Analog Electronics An npn BJT has gm=38mA/v, cµ =10¯14 F, cπ =10¯13F and DC current gain β0=90.For this transistor fT & fβ are fT =1.64 x 108 Hz & fβ = 1.47 x 1010 Hz fT =1.47 x 1010 Hz & fβ = 1.33 x 1012 Hz fT =1.33 x 1012 Hz & fβ = 1.47 x 1010 Hz fT =1.47 x 1010 Hz & fβ = 1.64 x 108 Hz fT =1.64 x 108 Hz & fβ = 1.47 x 1010 Hz fT =1.47 x 1010 Hz & fβ = 1.33 x 1012 Hz fT =1.33 x 1012 Hz & fβ = 1.47 x 1010 Hz fT =1.47 x 1010 Hz & fβ = 1.64 x 108 Hz ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The fact that there are many free electrons in a transistor emitter region means the emitter is lightly doped. heavily doped. None of these undoped. lightly doped. heavily doped. None of these undoped. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics When testing an npn transistor using an ohmmeter, the collector-emitter resistance will be low when the emitter is positive in respect to the collector. the collector is positive in respect to the emitter. the transistor is defective. the transistor is normal. the emitter is positive in respect to the collector. the collector is positive in respect to the emitter. the transistor is defective. the transistor is normal. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics In all base driver amplifiers ac collector voltage is in phase with ac base voltage None of these ac collector voltage is 180° out of phase with ac base voltage ac emitter voltage is 180° out of phase with ac base voltage ac collector voltage is in phase with ac base voltage None of these ac collector voltage is 180° out of phase with ac base voltage ac emitter voltage is 180° out of phase with ac base voltage ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics At the unity-gain frequency, the open-loop voltage gain is very large zero. 1. AV(mid). very large zero. 1. AV(mid). ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics In a nonlinear op-amp circuit, the feedback loop is never opened. output shape is the same as the input shape. opamp never saturates. opamp may saturate. feedback loop is never opened. output shape is the same as the input shape. opamp never saturates. opamp may saturate. ANSWER DOWNLOAD EXAMIANS APP
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