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Analog-designs Questions Set 83:

Quiz Mode

The pinch-off voltage of a JFET is 5.0 V. What is its cut-off voltage?

2.5 V

5.0 V

√5.0 V

Solution:

The DC power output of a half-wave rectifier is equal to:

(2I_m²⁄π²)R_L

(I_m²⁄π²)R_L

(I_m²⁄2π)R_L

(V_m × I_m⁄π²)R_L

Solution:

In which region of operation is the BJT (Bipolar Junction Transistor) turned OFF?

Cut-off

Active

Saturation

Both cut-off and saturation

Solution:

The unwanted characteristics of an amplifier's output, apart from the desired output, are collectively termed as:

Distortion

Inefficiency

Fault

Damage

Solution:

What is the effect of voltage series feedback on the voltage gain of an amplifier?

Reduction in voltage gain

Increment in voltage gain

Cannot be determined

No change in voltage gain

Solution:

For a bias circuit with zero drift current, which is constructed with a FET with Pinch-off voltage (Vp) = -3V and transconductance (g_m0) = 1.8 mA, what is the value of V_GS?

3.63V

-3.36V

-3.63V

0.363V

Solution:

Compared to the basic amplifier, in a shunt-shunt negative feedback amplifier:

Both input and output impedance decrease

Input impedance decreases, but output impedance increases

Input impedance increases, but output impedance decreases

Solution:

When the reverse bias across the base-collector junction is increased in an NPN BJT operating in the active region, what happens to the common-emitter current gain?

Common-emitter current gain decreases

Common-emitter current gain increases

Cannot say

Remains the same

Solution:

A bandwidth of 15 MHz is available for AM transmission. If the maximum audio signal frequency used for modulating the carrier is not to exceed 15 kHz, how many stations can be accommodated within this band simultaneously without interfering with each other?

300

200

400

500

Solution:

A signal is sent from the base station to your cell phone. Which of the following options represents the correct order through which the signal passes at the receiver end?

LNA --> Antenna --> Power Amplifier --> Mixer

LNA --> Antenna --> Mixer --> Power Amplifier

Antenna --> LNA --> Mixer --> Power Amplifier

Antenna --> LNA --> Power Amplifier --> Mixer

Analog-designs Questions Set 83:

The pinch-off voltage of a JFET is 5.0 V. What is its cut-off voltage?

Solution:

The DC power output of a half-wave rectifier is equal to:

Solution:

In which region of operation is the BJT (Bipolar Junction Transistor) turned OFF?

Solution:

The unwanted characteristics of an amplifier's output, apart from the desired output, are collectively termed as:

Solution:

What is the effect of voltage series feedback on the voltage gain of an amplifier?

Solution:

For a bias circuit with zero drift current, which is constructed with a FET with Pinch-off voltage (Vp) = -3V and transconductance (g_m0) = 1.8 mA, what is the value of V_GS?

Solution:

Compared to the basic amplifier, in a shunt-shunt negative feedback amplifier:

Solution:

When the reverse bias across the base-collector junction is increased in an NPN BJT operating in the active region, what happens to the common-emitter current gain?

Solution:

A bandwidth of 15 MHz is available for AM transmission. If the maximum audio signal frequency used for modulating the carrier is not to exceed 15 kHz, how many stations can be accommodated within this band simultaneously without interfering with each other?

Solution:

A signal is sent from the base station to your cell phone. Which of the following options represents the correct order through which the signal passes at the receiver end?

Solution:

Related Question Sets:

Related Topics:

Analog-designs Questions Set 83:

The pinch-off voltage of a JFET is 5.0 V. What is its cut-off voltage?

Solution:

The DC power output of a half-wave rectifier is equal to:

Solution:

In which region of operation is the BJT (Bipolar Junction Transistor) turned OFF?

Solution:

The unwanted characteristics of an amplifier's output, apart from the desired output, are collectively termed as:

Solution:

What is the effect of voltage series feedback on the voltage gain of an amplifier?

Solution:

For a bias circuit with zero drift current, which is constructed with a FET with Pinch-off voltage (Vp) = -3V and transconductance (gm0) = 1.8 mA, what is the value of VGS?

Solution:

Compared to the basic amplifier, in a shunt-shunt negative feedback amplifier:

Solution:

When the reverse bias across the base-collector junction is increased in an NPN BJT operating in the active region, what happens to the common-emitter current gain?

Solution:

A bandwidth of 15 MHz is available for AM transmission. If the maximum audio signal frequency used for modulating the carrier is not to exceed 15 kHz, how many stations can be accommodated within this band simultaneously without interfering with each other?

Solution:

A signal is sent from the base station to your cell phone. Which of the following options represents the correct order through which the signal passes at the receiver end?

Solution:

Related Question Sets:

Related Topics:

For a bias circuit with zero drift current, which is constructed with a FET with Pinch-off voltage (Vp) = -3V and transconductance (g_m0) = 1.8 mA, what is the value of V_GS?