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Analog Electronics

Analog Electronics
The base-emitter voltage of the second approximation is

 0 V.
 0.3 V.
 1 V.
  0.7 V.

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Analog Electronics
In a differential amplifier, the CMRR is limited mostly by the

  tolerance of the resistors.
  supply voltages .
  CMRR of the opamp.
  gain - bandwidth product.

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Analog Electronics
MOSFET can be used as a

Voltage controlled inductors
Current controlled capacitor
Current controlled inductor
Voltage controlled capacitor

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Analog Electronics
What will be the Potential barrier for Si Diode ?

 0.7 V
 0.3 V
 0.05 V
 0.07 V

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Analog Electronics
CMOS devices use

  DMOS devices.
  bipolar transistors .
  class A operation.
  complementary E - MOSFETs.

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Analog Electronics
The Q-point in a voltage amplifier is selected in the middle of the active region because

  it gives better stability.
  the biasing circuit then need less number of resistors.
  the circuit needs a small.
  it gives distortions less output.

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