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ANALOG ELECTRONICS

Analog Electronics
In a nonlinear op-amp circuit, the

  feedback loop is never opened.
  opamp never saturates.
  opamp may saturate.
  output shape is the same as the input shape.

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Analog Electronics
The input signal for an instrumentation amplifier usually comes from

 a Wheatstone bridge.
 an inverting amplifier.
 a differential amplifier.
 a resistor.

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

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

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Analog Electronics
An instrumentation amplifier has a high

  CMMR.
  power gain.
  supply voltage.
  output impedance.

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Analog Electronics
The input offset electric current equals the

 difference between the two base currents.
 average of the two base currents.
 difference between the two base-emitter voltages.
 collector electric current divided by the base current.

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