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Analog-designs Questions Set 109:

Quiz Mode

Calculate the thermal voltage when the temperature is 5°C.

0.239V

0.0239V

0.00239V

0.02039V

Solution:

For a diode, at 10mA DC resistance is 50Ω. The voltage corresponding to 10mA will be

25V

50V

0.5V

2.5V

Solution:

The value of emitter resistance in Emitter Biased circuit are RE1=25kΩ & RE2=10kΩ. Find RE

0.1428kΩ

2.1428kΩ

5.1428kΩ

7.1428kΩ

Solution:

Find IC, given VCE=0.77v, VCC=10v, VBE=0.37v and RC=0.6kΩ in Dual Input Balanced Output differential amplifier

6mA

16mA

8mA

18mA

Solution:

If the temperature increases 20°C, the ratio of final reverse saturation current to initial reverse saturation current is

1/2

1/4

Solution:

In a center tapped full wave rectifier, the input sine wave is 5sin500 π t. The average output voltage is

0.3183V

3.183V

31.83V

318.3V

Solution:

An emitter bias Dual Input Balanced Output differential amplifier has VEE=20v, β=100, VBE=0.7v, RE=3kΩ. Find IE

3.216mA

32.16mA

321.6mA

3216mA

Solution:

Calculate the value of reference current and input resistor for current mirror with IC=1.2mA & VCC=12v. Assume β=60.

0.113kΩ

3.113kΩ

6.113kΩ

9.113kΩ

Solution:

Using the ideal diode model of a silicon diode and taking E=20 V and R=1kΩ, what is the value of diode current at operating point?

2 mA

1 mA

10 mA

20 mA

Solution:

Obtain the collector voltage, for collector resistor (RC) =5.6kΩ, IE=1.664mA and VCC=20v for single input unbalanced output differential amplifier

0.682v

5.682v

10.682v

20.682v

Analog-designs Questions Set 109:

Calculate the thermal voltage when the temperature is 5°C.

Solution:

For a diode, at 10mA DC resistance is 50Ω. The voltage corresponding to 10mA will be

Solution:

The value of emitter resistance in Emitter Biased circuit are RE1=25kΩ & RE2=10kΩ. Find RE

Solution:

Find IC, given VCE=0.77v, VCC=10v, VBE=0.37v and RC=0.6kΩ in Dual Input Balanced Output differential amplifier

Solution:

If the temperature increases 20°C, the ratio of final reverse saturation current to initial reverse saturation current is

Solution:

In a center tapped full wave rectifier, the input sine wave is 5sin500 π t. The average output voltage is

Solution:

An emitter bias Dual Input Balanced Output differential amplifier has VEE=20v, β=100, VBE=0.7v, RE=3kΩ. Find IE

Solution:

Calculate the value of reference current and input resistor for current mirror with IC=1.2mA & VCC=12v. Assume β=60.

Solution:

Using the ideal diode model of a silicon diode and taking E=20 V and R=1kΩ, what is the value of diode current at operating point?

Solution:

Obtain the collector voltage, for collector resistor (RC) =5.6kΩ, IE=1.664mA and VCC=20v for single input unbalanced output differential amplifier

Solution:

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