A. 99%
C. 50%
D. 85%
A. the edge of the depletion region on the p-side
B. the center of the depletion region on the n-side
D. the edge of the depletion region on the n-side
A. A unity gain non-inverting amplifier
B. An inverting amplifiers with a gain of 100
D. An inverting amplifier with a gain of 10
B. 5 ? & 20 %
C. 25 ? & 16.7 %
D. 5 ? & 16.7 %
B. 11K?
C. 1/5K?
D. 5K?
A. Source voltage
B. Body voltage
C. Gate voltage
B. Vdc = 2Vm/?, PIV=Vm
C. Vdc = Vm/?, PIV=Vm
D. Vdc = Vm/?, PIV=2Vm
A. Increase in both input & output impedances
B. Decreases in both input & output impedances
D. Decrease in input impedance & increase in output impedance
A. High current effects in the base
B. The early effect
D. Parasitic inductive elements
A. Common base
B. Common collector
C. All have the same gain
A. 2-Jan
B. 1
D. 0
B. about -10
C. slightly less than unity but positive
D. exactly unity but negative
B. CB-CC
C. CE-CC
D. CC-CB .
B. polarity of input and output is the same
C. output occurs when input is finite and constant
D. the amplitude of output is proportional to input
A. affects the difference mode gain Ad
C. ffects both Ad and Ac
D. does not effect either Ad and Ac
B. Current controlled voltage source
C. Current controlled Current source
D. Voltage controlled voltage source
A. high input resistance
B. high voltage gain
D. input voltage dependent linear transfer characteristic
A. fast turn-off
B. large emitter-base forward bias
D. fast turn-on
B. gm /r?
C. gm r0
D. gm / r0
A. Open-loop gain
C. CMMR
D. Bandwidth
A. 10 volts
C. 5/1 volts
D. 5 volts
A. voltage shunt feedback
B. current series feedback
C. positive current feedback
B. none of the above
C. ac emitter voltage is 180 out of phase with ac base voltage
D. ac collector voltage is in phase with ac base voltage
B. battery
C. inductor
D. resistor
A. 4.6 mA
B. 3.2mA
C. 2.3mA
A. 0.25
C. 0.75
A. Coupling capacitor at the input
B. Skin effect
C. Coupling capacitor at the output
A. remove even harmonics
B. get maximum efficiency
D. reducing collector dissipation
A. fT =1.47 x 1010 Hz & f? = 1.33 x 1012 Hz
B. fT =1.64 x 108 Hz & f? = 1.47 x 1010 Hz.
C. fT =1.33 x 1012 Hz & f? = 1.47 x 1010 Hz
A. Quiescent operating point
B. Q factor of the tuned i/p circuit
D. Q-factor of the o/p and i/p circuits as well as quiescent operating point
A. saturation point
B. quasi saturation point
C. operating point
B. voltage controlled inductors
C. current controlled capacitor
D. current controlled inductor
A. 102dB
C. 51dB
D. 49dB
B. 1 v
C. 2.8v
D. 1.4v
A. preventing photo-emission effects
C. avoiding loss of free electrons
D. preventing radio interference
A. 50 KHz
C. 1000/7.07 KHz
D. 1000/17 KHz
B. 50dB
C. 23dB
D. 25dB
A. all transistors
B. all inductors
C. all resistors
B. either A. or B.
C. resistor between source and load
D. inductor between source and load
A. Only the temperature
B. only the ? of the transistor
D. None of the above
A. size of emitter
C. doping of base
D. rating of transistor
A. Increases noise
C. Increase frequency &phase distortion
D. Reduces bandwidth
A. negligible input resistance and high output resistance
B. low input resistance as well as output resistance
D. high input resistance and low output resistance
B. 795mV
C. 39.5mV
D. 395mV
A. voltage controlled current source
B. Current controlled Current source
A. junction capacitance
B. depletion capacitance
D. charge storage capacitance
A. the transconductance increases
B. the drain current increases
D. none of the above
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