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Analog-designs Questions Set 115:

Quiz Mode

-6dB is equivalent to __________ power gain

0.251

0.51

0.1

0.01

Solution:

Determine the early voltage, if the output resistance is 2.5×2kΩ and input current is 2mA

10v

20v

Solution:

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

50kΩ

25kΩ

12.5kΩ

10kΩ

Solution:

Find IC, given VCE=0.77v, VCC=10v, VBE=0.37v and RC=3.6kΩ in Dual Input Balanced Output differential amplifier

0.2667mA

2.667mA

26.67mA

266.7mA

Solution:

An emitter bias Dual Input Balanced Output differential amplifier has VEE=20v, β=100, VBE=0.7v, RE=1.5kΩ. Find IE

6.433mA

64.33mA

643.3mA

6433mA

Solution:

In a bridge full wave rectifier, the input sine wave is 250sin100 ᴨt. The output ripple frequency of rectifier will be

250 Hz

100 Hz

200 Hz

150 Hz

Solution:

If peak voltage on a bridge full wave rectifier circuit is 5V and diode cut-in voltage is 0.7, then peak inverse voltage on diode will be

4.3

5.4

Solution:

If the reference and collector current are 0.539mA and 0.49mA respectively, how many transistors are used in current repeater circuit? (Assume β =150)

Solution:

Using the ideal diode model of a silicon diode and taking E=30 V and R=1kΩ, what is the value of diode current at operating point?

1 mA

10 mA

15 mA

30 mA

Solution:

Obtain the collector voltage, for collector resistor (RC) =5.6kΩ, IE=1.664mA and VCC=50v for single input unbalanced output differential amplifier

10.682v

20.682v

30.682v

40.682v

Analog-designs Questions Set 115:

-6dB is equivalent to __________ power gain

Solution:

Determine the early voltage, if the output resistance is 2.5×2kΩ and input current is 2mA

Solution:

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

Solution:

Find IC, given VCE=0.77v, VCC=10v, VBE=0.37v and RC=3.6kΩ in Dual Input Balanced Output differential amplifier

Solution:

An emitter bias Dual Input Balanced Output differential amplifier has VEE=20v, β=100, VBE=0.7v, RE=1.5kΩ. Find IE

Solution:

In a bridge full wave rectifier, the input sine wave is 250sin100 ᴨt. The output ripple frequency of rectifier will be

Solution:

If peak voltage on a bridge full wave rectifier circuit is 5V and diode cut-in voltage is 0.7, then peak inverse voltage on diode will be

Solution:

If the reference and collector current are 0.539mA and 0.49mA respectively, how many transistors are used in current repeater circuit? (Assume β =150)

Solution:

Using the ideal diode model of a silicon diode and taking E=30 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=50v for single input unbalanced output differential amplifier

Solution:

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