Question 1

Figure 6
-Refer to Figure 6. The output waveform is a

Accepted Answer

A) square wave 
B) sine- wave 
C) positive and negative triggers 
D) none of the above 
A) square wave 
B) sine- wave 
C) positive and negative triggers 
D) none of the above

Question 2

Figure 1 Assume that +VS1U1B1out(max)S1U1B0= +13 V and -VS1U1B1out(max)S1U1B0= -13 V
-Refer to Figure 1. If the input voltage is +11 V, the output will be

Accepted Answer

A) +11 V 
B) +13 V 
C) -13 V 
D) -11 V 
A) +11 V 
B) +13 V 
C) -13 V 
D) -11 V

Question 3

Figure 6
-Refer to Figure 6. The primary purpose of Ri is to

Accepted Answer

A) attenuate the output 
B) provide a path for bias current 
C) avoid output drift 
D) avoid noise on the output 
A) attenuate the output 
B) provide a path for bias current 
C) avoid output drift 
D) avoid noise on the output

Question 4

Figure 3
-Refer to Figure 3. Assume all inputs are +3.0 V. The output will be

Accepted Answer

A) -4.5 V 
B) +1.5 V 
C) -1.5 V 
D) +4.5 V 
A) -4.5 V 
B) +1.5 V 
C) -1.5 V 
D) +4.5 V

Question 5

The process of limiting the output of a comparator is called

Accepted Answer

A) bounding 
B) clamping 
C) hysteresis 
D) none of the above 
A) bounding 
B) clamping 
C) hysteresis 
D) none of the above

Question 6

Figure 2
-Refer to Figure 2. Assume there is a fault and the output = -14 Vdc. A possible cause is

Accepted Answer

A) the feedback path is open 
B) a power supply connection is open 
C) A and B are both possible causes 
D) none of the above 
A) the feedback path is open 
B) a power supply connection is open 
C) A and B are both possible causes 
D) none of the above

Question 7

An R/2R ladder is generally used as an ADC.

Accepted Answer

A) True 
 B)False

Question 8

The purpose of a priority encoder in a flash ADC is to determine

Accepted Answer

A) the sequence of binary numbers to send to the output 
B) which input to encode first 
C) which input has the highest value 
D) the number of output bits required 
A) the sequence of binary numbers to send to the output 
B) which input to encode first 
C) which input has the highest value 
D) the number of output bits required

Question 9

An integrator circuit is useful in wave shaping applications.

Accepted Answer

A) True 
 B)False

Question 10

The purpose of a zener diode between the output and inverting input of a comparator is to

Accepted Answer

A) limit the output voltage 
B) set the upper and lower trip points 
C) limit the input voltage 
D) provide a stable comparison level for the input 
A) limit the output voltage 
B) set the upper and lower trip points 
C) limit the input voltage 
D) provide a stable comparison level for the input

Question 11

The output of a comparator is normally in one of two states.

Accepted Answer

A) True 
 B)False

Question 12

If a capacitor is charged with a constant current, the voltage across the capacitor is

Accepted Answer

A) constant 
B) decreases 
C) increases in a linear manner 
D) increases in a non- linear manner 
A) constant 
B) decreases 
C) increases in a linear manner 
D) increases in a non- linear manner

Question 13

Figure 5 The input is a 500 Hz, 10 VS1U1B1pp S1U1B0square wave centered about 0 V.
-Refer to Figure 5. Rc is in the circuit to balance the bias currents. A good value for Rc is

Accepted Answer

A) 100 k▲ 
B) 51 k▲ 
C) 1.0 k▲ 
D) 9.1 k▲ 
A) 100 k▲ 
B) 51 k▲ 
C) 1.0 k▲ 
D) 9.1 k▲

Question 14

A simultaneous (flash)ADC is particularly useful when

Accepted Answer

A) high speed is required 
B) noise rejection is required 
C) there are many simultaneous input signals 
D) the output must be a very large binary number 
A) high speed is required 
B) noise rejection is required 
C) there are many simultaneous input signals 
D) the output must be a very large binary number

Question 15

Figure 5 The input is a 500 Hz, 10 VS1U1B1pp S1U1B0square wave centered about 0 V.
-Refer to Figure 5. The output waveform is a

Accepted Answer

A) sine- wave 
B) square wave with the opposite phase 
C) positive and negative triggers 
D) none of the above 
A) sine- wave 
B) square wave with the opposite phase 
C) positive and negative triggers 
D) none of the above

Figure 6 -Refer to Figure 6. The output waveform is a

Figure 1 Assume that +V_out(max)= +13 V and -V_out(max)= -13 V -Refer to Figure 1. If the input voltage is +11 V, the output will be

Figure 6 -Refer to Figure 6. The primary purpose of Ri is to

Figure 3 -Refer to Figure 3. Assume all inputs are +3.0 V. The output will be

The process of limiting the output of a comparator is called

Figure 2 -Refer to Figure 2. Assume there is a fault and the output = -14 Vdc. A possible cause is

An R/2R ladder is generally used as an ADC.

The purpose of a priority encoder in a flash ADC is to determine

An integrator circuit is useful in wave shaping applications.

The purpose of a zener diode between the output and inverting input of a comparator is to

The output of a comparator is normally in one of two states.

If a capacitor is charged with a constant current, the voltage across the capacitor is

Figure 5 The input is a 500 Hz, 10 V_ppsquare wave centered about 0 V. -Refer to Figure 5. Rc is in the circuit to balance the bias currents. A good value for Rc is

A simultaneous (flash)ADC is particularly useful when

Figure 5 The input is a 500 Hz, 10 V_ppsquare wave centered about 0 V. -Refer to Figure 5. The output waveform is a

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. The output waveform is a

Figure 1 Assume that +Vout(max)= +13 V and -Vout(max)= -13 V -Refer to Figure 1. If the input voltage is +11 V, the output will be

Figure 6 -Refer to Figure 6. The primary purpose of Ri is to

Figure 3 -Refer to Figure 3. Assume all inputs are +3.0 V. The output will be

The process of limiting the output of a comparator is called

Figure 2 -Refer to Figure 2. Assume there is a fault and the output = -14 Vdc. A possible cause is

An R/2R ladder is generally used as an ADC.

The purpose of a priority encoder in a flash ADC is to determine

An integrator circuit is useful in wave shaping applications.

The purpose of a zener diode between the output and inverting input of a comparator is to

The output of a comparator is normally in one of two states.

If a capacitor is charged with a constant current, the voltage across the capacitor is

Figure 5 The input is a 500 Hz, 10 Vpp square wave centered about 0 V. -Refer to Figure 5. Rc is in the circuit to balance the bias currents. A good value for Rc is

A simultaneous (flash)ADC is particularly useful when

Figure 5 The input is a 500 Hz, 10 Vpp square wave centered about 0 V. -Refer to Figure 5. The output waveform is a

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 1 Assume that +V_out(max)= +13 V and -V_out(max)= -13 V -Refer to Figure 1. If the input voltage is +11 V, the output will be

Figure 5 The input is a 500 Hz, 10 V_ppsquare wave centered about 0 V. -Refer to Figure 5. Rc is in the circuit to balance the bias currents. A good value for Rc is

Figure 5 The input is a 500 Hz, 10 V_ppsquare wave centered about 0 V. -Refer to Figure 5. The output waveform is a