Question 1

Figure 6
-Refer to Figure 6. You observe large decaying oscillations on the output. A likely cause is

Accepted Answer

A) Rf is open 
B) C1 is wrong value 
C) Ri is a wrong value 
D) VCC is open 
A) Rf is open 
B) C1 is wrong value 
C) Ri is a wrong value 
D) VCC is open C

Question 2

Hysteresis avoids noise by using

Accepted Answer

A) output limiting 
B) positive feedback 
C) very fast comparators 
D) all of the above 
A) output limiting 
B) positive feedback 
C) very fast comparators 
D) all of the above B

Question 3

A flash ADC with a four- digit binary output requires 8 comparators.

Accepted Answer

A) True 
 B)False  False

Question 4

Figure 3
-Refer to Figure 3. An open input resistor will

Accepted Answer

A) cause the output to be zero 
B) appear as a 3 V input 
C) cause the output to saturate 
D) none of the above 
A) cause the output to be zero 
B) appear as a 3 V input 
C) cause the output to saturate 
D) none of the above

Question 5

A scaling amplifier is a summing amplifier with weighted inputs.

Accepted Answer

A) True 
 B)False

Question 6

Figure 6
-Refer to Figure 6. After steady- state conditions are reached, the output will be

Accepted Answer

A) 2.5 Vpp 
B) 5 Vpp 
C) 10 Vpp 
D) 1.0 Vpp 
A) 2.5 Vpp 
B) 5 Vpp 
C) 10 Vpp 
D) 1.0 Vpp

Question 7

Figure 5 The input is a 500 Hz, 10 VS1U1B1pp S1U1B0square wave centered about 0 V.
-Refer to Figure 5. If C1 should open, the output will be

Accepted Answer

A) a 500 Hz triangle 
B) an inverted 500 Hz square wave 
C) a non- inverted 500 Hz square wave 
D) a dc level 
A) a 500 Hz triangle 
B) an inverted 500 Hz square wave 
C) a non- inverted 500 Hz square wave 
D) a dc level

Question 8

Figure 5 The input is a 500 Hz, 10 VS1U1B1pp S1U1B0square wave centered about 0 V.
-Refer to Figure 5. After steady- state conditions are reached, the output will be

Accepted Answer

A) 1.0 Vpp 
B) 2.5 Vpp 
C) 10 Vpp 
D) 5 Vpp 
A) 1.0 Vpp 
B) 2.5 Vpp 
C) 10 Vpp 
D) 5 Vpp

Question 9

Figure 2
-Refer to Figure 2. The current in Rf is

Accepted Answer

A) 200 µA 
B) 100 µA 
C) 500 µA 
D) 1.0 mA 
A) 200 µA 
B) 100 µA 
C) 500 µA 
D) 1.0 mA

Question 10

Figure 4 The sine wave shown is the input signal.
-Refer to Figure 4. If the zener were reversed, the output would

Accepted Answer

A) have a longer positive output 
B) be the inverse 
C) have a shorter positive output 
D) not change 
A) have a longer positive output 
B) be the inverse 
C) have a shorter positive output 
D) not change

Question 11

Figure 4 The sine wave shown is the input signal.
-Refer to Figure 4. The correct output waveform is represented by

Accepted Answer

A) (a) 
B) (b) 
C) (c) 
D) (d) 
A) (a) 
B) (b) 
C) (c) 
D) (d)

Question 12

Figure 2
-Refer to Figure 2. VOUT is

Accepted Answer

A) -2.0 V 
B) +1.0 V 
C) +2.0 V 
D) -5.0 V 
A) -2.0 V 
B) +1.0 V 
C) +2.0 V 
D) -5.0 V

Question 13

Figure 1 Assume that +VS1U1B1out(max)S1U1B0= +13 V and -VS1U1B1out(max)S1U1B0= -13 V
-Refer to Figure 1. The UTP is at

Accepted Answer

A) +10 V 
B) -3 V 
C) -10 V 
D) +3 V 
A) +10 V 
B) -3 V 
C) -10 V 
D) +3 V

Question 14

Figure 5 The input is a 500 Hz, 10 VS1U1B1pp S1U1B0square wave centered about 0 V.
-Refer to Figure 5. The primary purpose of Rf is to

Accepted Answer

A) provide a path for bias current 
B) prevent noise from affecting the output 
C) attenuate the signal 
D) avoid drift 
A) provide a path for bias current 
B) prevent noise from affecting the output 
C) attenuate the signal 
D) avoid drift

Question 15

A differentiator circuit can output a square wave from a sine wave input.

Accepted Answer

A) True 
 B)False

Question 16

The output of a differentiator represents the rate of change of the input.

Accepted Answer

A) True 
 B)False

Question 17

Figure 2
-Refer to Figure 2. The circuit is a

Accepted Answer

A) averaging amplifier 
B) A/D converter 
C) summing amplifier 
D) scaling amplifier 
A) averaging amplifier 
B) A/D converter 
C) summing amplifier 
D) scaling amplifier

Question 18

Figure 1 Assume that +VS1U1B1out(max)S1U1B0= +13 V and -VS1U1B1out(max)S1U1B0= -13 V
-Refer to Figure 1. If the input is a 2 Vpp sine wave, the output will be

Accepted Answer

A) a ramp 
B) a dc level 
C) a square wave 
D) an inverted sine wave 
A) a ramp 
B) a dc level 
C) a square wave 
D) an inverted sine wave

Question 19

A practical integrator circuit often uses an inductor in the feedback path.

Accepted Answer

A) True 
 B)False

Question 20

Figure 1 Assume that +VS1U1B1out(max)S1U1B0= +13 V and -VS1U1B1out(max)S1U1B0= -13 V
-Refer to Figure 1. The LTP is at

Accepted Answer

A) -3 V 
B) -10 V 
C) +10 V 
D) +3 V 
A) -3 V 
B) -10 V 
C) +10 V 
D) +3 V

Figure 6 -Refer to Figure 6. You observe large decaying oscillations on the output. A likely cause is

Hysteresis avoids noise by using

A flash ADC with a four- digit binary output requires 8 comparators.

Figure 3 -Refer to Figure 3. An open input resistor will

A scaling amplifier is a summing amplifier with weighted inputs.

Figure 6 -Refer to Figure 6. After steady- state conditions are reached, the output will be

Figure 5 The input is a 500 Hz, 10 V_ppsquare wave centered about 0 V. -Refer to Figure 5. If C1 should open, the output will be

Figure 5 The input is a 500 Hz, 10 V_ppsquare wave centered about 0 V. -Refer to Figure 5. After steady- state conditions are reached, the output will be

Figure 2 -Refer to Figure 2. The current in Rf is

Figure 4 The sine wave shown is the input signal. -Refer to Figure 4. If the zener were reversed, the output would

Figure 4 The sine wave shown is the input signal. -Refer to Figure 4. The correct output waveform is represented by

Figure 2 -Refer to Figure 2. VOUT is

Figure 1 Assume that +V_out(max)= +13 V and -V_out(max)= -13 V -Refer to Figure 1. The UTP is at

Figure 5 The input is a 500 Hz, 10 V_ppsquare wave centered about 0 V. -Refer to Figure 5. The primary purpose of Rf is to

A differentiator circuit can output a square wave from a sine wave input.

The output of a differentiator represents the rate of change of the input.

Figure 2 -Refer to Figure 2. The circuit is a

Figure 1 Assume that +V_out(max)= +13 V and -V_out(max)= -13 V -Refer to Figure 1. If the input is a 2 Vpp sine wave, the output will be

A practical integrator circuit often uses an inductor in the feedback path.

Figure 1 Assume that +V_out(max)= +13 V and -V_out(max)= -13 V -Refer to Figure 1. The LTP is at

Introduction to Semiconductors

Diodes and Applications

Special-Purpose Diodes

Bipolar Junction Transistors

Transistor Bias Circuits

BJT Amplifiers

BJT Power Amplifiers

Field-Effect Transistors Fets

Fet Amplifiers and Switching Circuits

Amplifier Frequency Response

Thyristors

The Operational Amplifier

Special-Purpose Integrated Circuits

Active Filters

Oscillators

Voltage Regulators

Communication Devices and Methods

Filters

Exam 13: Basic Op-Amp Circuits

Figure 6 -Refer to Figure 6. You observe large decaying oscillations on the output. A likely cause is

Hysteresis avoids noise by using

A flash ADC with a four- digit binary output requires 8 comparators.

Figure 3 -Refer to Figure 3. An open input resistor will

A scaling amplifier is a summing amplifier with weighted inputs.

Figure 6 -Refer to Figure 6. After steady- state conditions are reached, the output will be

Figure 5 The input is a 500 Hz, 10 Vpp square wave centered about 0 V. -Refer to Figure 5. If C1 should open, the output will be

Figure 5 The input is a 500 Hz, 10 Vpp square wave centered about 0 V. -Refer to Figure 5. After steady- state conditions are reached, the output will be

Figure 2 -Refer to Figure 2. The current in Rf is

Figure 4 The sine wave shown is the input signal. -Refer to Figure 4. If the zener were reversed, the output would

Figure 4 The sine wave shown is the input signal. -Refer to Figure 4. The correct output waveform is represented by

Figure 2 -Refer to Figure 2. VOUT is

Figure 1 Assume that +Vout(max)= +13 V and -Vout(max)= -13 V -Refer to Figure 1. The UTP is at

Figure 5 The input is a 500 Hz, 10 Vpp square wave centered about 0 V. -Refer to Figure 5. The primary purpose of Rf is to

A differentiator circuit can output a square wave from a sine wave input.

The output of a differentiator represents the rate of change of the input.

Figure 2 -Refer to Figure 2. The circuit is a

Figure 1 Assume that +Vout(max)= +13 V and -Vout(max)= -13 V -Refer to Figure 1. If the input is a 2 Vpp sine wave, the output will be

A practical integrator circuit often uses an inductor in the feedback path.

Figure 1 Assume that +Vout(max)= +13 V and -Vout(max)= -13 V -Refer to Figure 1. The LTP is at

Introduction to Semiconductors

Diodes and Applications

Special-Purpose Diodes

Bipolar Junction Transistors

Transistor Bias Circuits

BJT Amplifiers

BJT Power Amplifiers

Field-Effect Transistors Fets

Fet Amplifiers and Switching Circuits

Amplifier Frequency Response

Thyristors

The Operational Amplifier

Special-Purpose Integrated Circuits

Active Filters

Oscillators

Voltage Regulators

Communication Devices and Methods

Filters

Figure 5 The input is a 500 Hz, 10 V_ppsquare wave centered about 0 V. -Refer to Figure 5. If C1 should open, the output will be

Figure 5 The input is a 500 Hz, 10 V_ppsquare wave centered about 0 V. -Refer to Figure 5. After steady- state conditions are reached, the output will be

Figure 1 Assume that +V_out(max)= +13 V and -V_out(max)= -13 V -Refer to Figure 1. The UTP is at

Figure 5 The input is a 500 Hz, 10 V_ppsquare wave centered about 0 V. -Refer to Figure 5. The primary purpose of Rf is to

Figure 1 Assume that +V_out(max)= +13 V and -V_out(max)= -13 V -Refer to Figure 1. If the input is a 2 Vpp sine wave, the output will be

Figure 1 Assume that +V_out(max)= +13 V and -V_out(max)= -13 V -Refer to Figure 1. The LTP is at