Question 1

The clamper works on the basis of

Accepted Answer

A)  charging alternate capacitors to increase output voltage. 
B)  shorting out a portion of the input signal to prevent it from reaching the load. 
C)  switching time constants. 
D)  alternating dc reference voltages. 
A)  charging alternate capacitors to increase output voltage. 
B)  shorting out a portion of the input signal to prevent it from reaching the load. 
C)  switching time constants. 
D)  alternating dc reference voltages. C

Question 2

-The negative peak output voltage for the circuit in Figure is approximately

Accepted Answer

A)  -5 V. 
B)  -9.7 V. 
C)  -8.3 V. 
D)  -0.7 V. 
A)  -5 V. 
B)  -9.7 V. 
C)  -8.3 V. 
D)  -0.7 V. A

Question 3

Which of the following circuits is used to change the dc reference of a signal without changing its shape?

Accepted Answer

A)  A clipper 
B)  A clamper 
C)  A voltage multiplier 
A)  A clipper 
B)  A clamper 
C)  A voltage multiplier B

Question 4

Which of the following circuits is used to eliminate some portion of a signal?

Accepted Answer

A)  A clipper 
B)  A clamper 
C)  A voltage multiplier 
A)  A clipper 
B)  A clamper 
C)  A voltage multiplier

Question 5

-D2 in Figure  will be off when the output from the driving circuit is

Accepted Answer

A)  0 V. 
B)  +5 V. 
A)  0 V. 
B)  +5 V.

Question 6

-Refer to Figure. The positive peak voltage across the 3 kΩ resistor is

Accepted Answer

A)  0 V. 
B)  0.7 V. 
C)  10 V. 
D)  4.7 V. 
A)  0 V. 
B)  0.7 V. 
C)  10 V. 
D)  4.7 V.

Question 7

-The circuit in Figure is a

Accepted Answer

A)  positive clipper. 
B)  negative clipper. 
C)  positive clamper. 
D)  negative clamper. 
A)  positive clipper. 
B)  negative clipper. 
C)  positive clamper. 
D)  negative clamper.

Question 8

-Assuming that D2 in Figure is an ideal component, the circuit reference voltage is

Accepted Answer

A)  +20 V. 
B)  +0.7 V. 
C)  -0.7 V. 
D)  -20 V. 
A)  +20 V. 
B)  +0.7 V. 
C)  -0.7 V. 
D)  -20 V.

Question 9

Which of the following circuits is commonly used to provide transient protection?

Accepted Answer

A)  A clamper 
B)  A multiplier 
C)  A rectifier 
D)  A clipper 
A)  A clamper 
B)  A multiplier 
C)  A rectifier 
D)  A clipper

Question 10

-The dc average of the output from the circuit in Figure  is approximately equal to

Accepted Answer

A)  +20 V. 
B)  +10 V. 
C)  -10 V. 
D)  -20 V. 
A)  +20 V. 
B)  +10 V. 
C)  -10 V. 
D)  -20 V.

Question 11

-The output voltage from the circuit in Figure is approximately

Accepted Answer

A)  15 Vdc. 
B)  30 Vdc. 
C)  45 Vdc. 
D)  60 Vdc. 
A)  15 Vdc. 
B)  30 Vdc. 
C)  45 Vdc. 
D)  60 Vdc.

Question 12

- Refer to Figure . The circuit shown has a constant 0-V output. Which of the following is the most likely cause of the problem?

Accepted Answer

A)  RL open 
B)  D1 open 
C)  RS open 
D)  RS  shorted 
A)  RL open 
B)  D1 open 
C)  RS open 
D)  RS  shorted

Question 13

-The circuit in Figure is a

Accepted Answer

A)  half-wave voltage doubler. 
B)  full-wave voltage doubler. 
C)  voltage tripler. 
D)  voltage quadrupler. 
A)  half-wave voltage doubler. 
B)  full-wave voltage doubler. 
C)  voltage tripler. 
D)  voltage quadrupler.

Question 14

-The circuit in Figure is a

Accepted Answer

A)  series clipper. 
B)  shunt clipper. 
C)  series clamper. 
D)  shunt clamper. 
A)  series clipper. 
B)  shunt clipper. 
C)  series clamper. 
D)  shunt clamper.

Question 15

The output from a biased clamper has a dc reference voltage that is

Accepted Answer

A)  approximately equal to the dc voltage that is applied to the diode. 
B)  approximately equal to 0 V. 
C)  dependent on the peak-to-peak value of the ac input. 
D)  equal to the dc average of the circuitʹs output signal. 
A)  approximately equal to the dc voltage that is applied to the diode. 
B)  approximately equal to 0 V. 
C)  dependent on the peak-to-peak value of the ac input. 
D)  equal to the dc average of the circuitʹs output signal.

Question 16

A positive clipper performs the same basic function as a negative clamper.

Accepted Answer

A) True 
 B)False

Question 17

-D1 in Figure  will be on when the output from the driving circuit is

Accepted Answer

A)  0 V. 
B)  +5 V. 
A)  0 V. 
B)  +5 V.

Question 18

-Refer to Figure . The potentiometer R1) is used to

Accepted Answer

A)  prevent accidental overload of D1. 
B)  provide an adjustable clipped output. 
C)  provide an adjustable clamped output. 
D)  remove negative voltage spikes. 
A)  prevent accidental overload of D1. 
B)  provide an adjustable clipped output. 
C)  provide an adjustable clamped output. 
D)  remove negative voltage spikes.

Question 19

-The positive peak output voltage for the circuit in Figure  is approximately

Accepted Answer

A)  9 V. 
B)  9.7 V. 
C)  8.3 V. 
D)  0.7 V. 
A)  9 V. 
B)  9.7 V. 
C)  8.3 V. 
D)  0.7 V.

Question 20

The output from the circuit in   is approximately

Accepted Answer

A)  10.7 Vpp. 
B)  5.7 Vpp. 
C)  20 Vpp. 
D)  9.3 Vpp. 
A)  10.7 Vpp. 
B)  5.7 Vpp. 
C)  20 Vpp. 
D)  9.3 Vpp.

Exam 4: Common Diode Applications: Clippers, Clampers, Voltage Multipliers, and Displays

The clamper works on the basis of

-The negative peak output voltage for the circuit in Figure is approximately

Which of the following circuits is used to change the dc reference of a signal without changing its shape?

Which of the following circuits is used to eliminate some portion of a signal?

-D2 in Figure will be off when the output from the driving circuit is

-Refer to Figure. The positive peak voltage across the 3 kΩ resistor is

-The circuit in Figure is a

-Assuming that D2 in Figure is an ideal component, the circuit reference voltage is

Which of the following circuits is commonly used to provide transient protection?

-The dc average of the output from the circuit in Figure is approximately equal to

-The output voltage from the circuit in Figure is approximately

- Refer to Figure . The circuit shown has a constant 0-V output. Which of the following is the most likely cause of the problem?

-The circuit in Figure is a

-The circuit in Figure is a

The output from a biased clamper has a dc reference voltage that is

A positive clipper performs the same basic function as a negative clamper.

-D1 in Figure will be on when the output from the driving circuit is

-Refer to Figure . The potentiometer R1) is used to

-The positive peak output voltage for the circuit in Figure is approximately

The output from the circuit in is approximately

Fundamental Solid-State Principles

Diodes

Common Diode Applications: Basic Power Supply Circuits

Special Applications Diodes

Bipolar Junction Transistors

DC Biasing Circuits

Introduction to Amplifiers

Common-Emitter Amplifiers

Other BJT Amplifiers

Power Amplifiers

Field-Effect Transistors

Mosfets

Amplifier Frequency Response

Operational Amplifiers

Additional Op-Amp Applications

Tuned Amplifiers

Oscillators

Solid-State Switching Circuits

Thyristors and Optoelectronics Devices

Discrete and Integrated Voltage Regulators

Filters

-Assuming that D₂ in Figure is an ideal component, the circuit reference voltage is

-Refer to Figure . The potentiometer R₁) is used to