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Analog Electronics

Analog Electronics
Which of following is the fastest switching device ?

  BJT.
  JFET.
  Triode.
  MOSFET.

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Analog Electronics
A JFET has disadvantage of

  having small gain-bandwidth product.
  having low input impedance.
  being noisy.
  possessing positive temperature coefficient.

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Analog Electronics
One of the following is the primary function of an oscillator

 generates sustained oscillations at a constant amplitude and specific frequency
 generates non sinusoidal waveforms
None of these
 produces sinusoidal oscillations

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Analog Electronics
An n- channel JFET has IDSS=2mA,and Vp=-4v.Its transconductance gm=in mA/V)for an applied gate to source voltage VGS=-2v is

0.25
0.5
0.75
1

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Analog Electronics
Relaxation Voltage controlled oscillators are used to generate

 Triangular wave
 Sawtooth wave
 Both B and C
 Sinusoidal wave

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Analog Electronics
An ideal voltage regulator has a voltage regulation of

  100.
  1.
  50.
  0.

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