Podcast
Questions and Answers
What is the name of a semiconductor that is doped with both donor and acceptor impurities?
What is the name of a semiconductor that is doped with both donor and acceptor impurities?
- Compensated semiconductor (correct)
- N-type semiconductor
- P-type semiconductor
- Intrinsic semiconductor
Which of these statements is TRUE about a compensated semiconductor?
Which of these statements is TRUE about a compensated semiconductor?
- It is always used in high-speed integrated circuits.
- It has a lower conductivity than an intrinsic semiconductor.
- It has a higher conductivity than an intrinsic semiconductor. (correct)
- It is always used in low-speed integrated circuits.
What is the name of the hybrid parameter that is usually neglected in most circuit analysis?
What is the name of the hybrid parameter that is usually neglected in most circuit analysis?
- h21
- h22
- h11
- h12 (correct)
What is the name of the current flow in a semiconductor that is due to the applied electric field?
What is the name of the current flow in a semiconductor that is due to the applied electric field?
What is the movement of charge carriers in a semiconductor even without the application of electric potential called?
What is the movement of charge carriers in a semiconductor even without the application of electric potential called?
What is the period of an AC wave equal to?
What is the period of an AC wave equal to?
What is the best semiconductor material to be used for high-speed integrated circuits?
What is the best semiconductor material to be used for high-speed integrated circuits?
What is the approximate propagation delay of standard TTL gates?
What is the approximate propagation delay of standard TTL gates?
What is the increase in switching speed between the 74LS series TTL and the 74HC/HCT (High-Speed CMOS) series?
What is the increase in switching speed between the 74LS series TTL and the 74HC/HCT (High-Speed CMOS) series?
What is the meaning of "fan-out" in the context of a typical TTL gate?
What is the meaning of "fan-out" in the context of a typical TTL gate?
What is the primary advantage of MOSFET transistors over bipolar transistors?
What is the primary advantage of MOSFET transistors over bipolar transistors?
How does an open-collector TTL gate function in terms of current flow?
How does an open-collector TTL gate function in terms of current flow?
What is the meaning of "tPLH" and "tPHL" in the context of propagation delay?
What is the meaning of "tPLH" and "tPHL" in the context of propagation delay?
What is the name of the logic family that combines the best features of TTL and CMOS?
What is the name of the logic family that combines the best features of TTL and CMOS?
What is the reason why totem-pole outputs cannot be connected directly together?
What is the reason why totem-pole outputs cannot be connected directly together?
In which decade was the transistor invented?
In which decade was the transistor invented?
What is the drain current when the applied voltage VGS is exactly equal to the pinch-off voltage VP?
What is the drain current when the applied voltage VGS is exactly equal to the pinch-off voltage VP?
What term is used to indicate current gain in a common-collector configuration?
What term is used to indicate current gain in a common-collector configuration?
Who invented Bakelite?
Who invented Bakelite?
In which decade was the first solid state integrated circuit demonstrated?
In which decade was the first solid state integrated circuit demonstrated?
Who invented the phonograph?
Who invented the phonograph?
In which decade was the Internet first implemented?
In which decade was the Internet first implemented?
Who discovered the relationship between magnetism and electricity that serves as the foundation for the theory of electromagnetism?
Who discovered the relationship between magnetism and electricity that serves as the foundation for the theory of electromagnetism?
What is the minimum energy required to dislodge an electron from its covalent bond known as?
What is the minimum energy required to dislodge an electron from its covalent bond known as?
In a one-port circuit, what is the measure that allows simplification to a current source in parallel with an impedance?
In a one-port circuit, what is the measure that allows simplification to a current source in parallel with an impedance?
What are the two mechanisms through which charge carriers move in semiconductors?
What are the two mechanisms through which charge carriers move in semiconductors?
What does the diffusion current density depend on?
What does the diffusion current density depend on?
What condition must the gain crossover frequency satisfy to avoid oscillation?
What condition must the gain crossover frequency satisfy to avoid oscillation?
What is the topology of an amplifier that exhibits a nominal gain equal to one plus the ratio of two resistors?
What is the topology of an amplifier that exhibits a nominal gain equal to one plus the ratio of two resistors?
What type of issue may a push-pull stage operating at high temperatures suffer from?
What type of issue may a push-pull stage operating at high temperatures suffer from?
What provides a sharper response when pushing a bipolar device around an op amp?
What provides a sharper response when pushing a bipolar device around an op amp?
What additional requirement is needed to start oscillation in a phase shift oscillator?
What additional requirement is needed to start oscillation in a phase shift oscillator?
What is the characteristic of the transfer curve that is not defined by Shockley's equation for certain devices?
What is the characteristic of the transfer curve that is not defined by Shockley's equation for certain devices?
In an IC phase-shift oscillator, how should the ratio of feedback resistor Rf to resistor R1 be characterized?
In an IC phase-shift oscillator, how should the ratio of feedback resistor Rf to resistor R1 be characterized?
What is the delay time in switching transistors described as?
What is the delay time in switching transistors described as?
What defines the current gain of a common-base BJT configuration?
What defines the current gain of a common-base BJT configuration?
What is the common frequency-determining component in a Wien bridge oscillator?
What is the common frequency-determining component in a Wien bridge oscillator?
What is represented by the typical value of the quality factor for crystal oscillators?
What is represented by the typical value of the quality factor for crystal oscillators?
In what application is pulsating DC voltage commonly suitable?
In what application is pulsating DC voltage commonly suitable?
What is the minimum input voltage recognized as HIGH by a TTL gate?
What is the minimum input voltage recognized as HIGH by a TTL gate?
What condition must be met for the output of an open-collector AND gate to turn the LED off?
What condition must be met for the output of an open-collector AND gate to turn the LED off?
When are several open-collector TTL gates connected together, what is the output state?
When are several open-collector TTL gates connected together, what is the output state?
What does a dimly lit probe lamp indicate when testing the output of a digital circuit with a logic probe?
What does a dimly lit probe lamp indicate when testing the output of a digital circuit with a logic probe?
What is a likely characteristic of the devices that require logic circuits in very small packages?
What is a likely characteristic of the devices that require logic circuits in very small packages?
What will happen if the lower transistor in a totem-pole output is saturated?
What will happen if the lower transistor in a totem-pole output is saturated?
In case of class A amplifiers, what indicates the efficiency of a transformer coupled amplifier?
In case of class A amplifiers, what indicates the efficiency of a transformer coupled amplifier?
What is required for a standard TTL gate to source current when it is HIGH?
What is required for a standard TTL gate to source current when it is HIGH?
Flashcards
Compensated Semiconductor
Compensated Semiconductor
A semiconductor doped with both donor and acceptor impurities. This allows it to conduct current more easily than a pure semiconductor.
Drift Current
Drift Current
Current flow in a semiconductor due to the applied electric field. Electrons move from a negative to a positive voltage.
Diffusion Current
Diffusion Current
Movement of charge carriers in a semiconductor without an applied electric potential. This is due to the concentration gradient of carriers.
Transistor invention decade
Transistor invention decade
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Cut-off Region
Cut-off Region
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Primary Storage
Primary Storage
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JFET drain current at pinch-off
JFET drain current at pinch-off
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Current gain in common-collector
Current gain in common-collector
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CMOS Integrated Circuit
CMOS Integrated Circuit
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Bakelite inventor
Bakelite inventor
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GaAs semiconductor
GaAs semiconductor
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Holes Flow Opposite to Electrons
Holes Flow Opposite to Electrons
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Phonograph inventor
Phonograph inventor
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MIDI introduction year
MIDI introduction year
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Fuel cell inventor
Fuel cell inventor
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Electric battery inventor
Electric battery inventor
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Norton’s Theorem
Norton’s Theorem
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Transconductance
Transconductance
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Drift and diffusion
Drift and diffusion
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Carrier concentration gradient
Carrier concentration gradient
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Bandgap energy
Bandgap energy
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Non-inverting amplifier
Non-inverting amplifier
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Thermal runaway
Thermal runaway
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Bipolar device around an op amp
Bipolar device around an op amp
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Delay time
Delay time
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What is a dc-dc converter?
What is a dc-dc converter?
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MOSFET
MOSFET
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Superbeta
Superbeta
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What is required to start oscillation?
What is required to start oscillation?
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Quality factor (Q)
Quality factor (Q)
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What are the frequency determining components of a Wien bridge oscillator?
What are the frequency determining components of a Wien bridge oscillator?
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Shockley's equation applies to what kind of transistor?
Shockley's equation applies to what kind of transistor?
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74HC/HCT (High-Speed CMOS)
74HC/HCT (High-Speed CMOS)
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Open-collector TTL gate
Open-collector TTL gate
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Propagation delay
Propagation delay
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BiCMOS
BiCMOS
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Floating TTL Input
Floating TTL Input
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ECL (Emitter-Coupled Logic)
ECL (Emitter-Coupled Logic)
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Fan-out
Fan-out
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Totem-pole output
Totem-pole output
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What is ideally suited for applications using battery power or battery backup?
What is ideally suited for applications using battery power or battery backup?
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When the outputs of several open-collector TTL gates are connected together, the gate outputs ________.
When the outputs of several open-collector TTL gates are connected together, the gate outputs ________.
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A logic probe is placed on the input of a digital circuit and the probe lamp blinks slowly, indicating ________.
A logic probe is placed on the input of a digital circuit and the probe lamp blinks slowly, indicating ________.
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The lower transistor of a totem-pole output is saturated when the gate output is ______.
The lower transistor of a totem-pole output is saturated when the gate output is ______.
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Propagation delay is important because ________.
Propagation delay is important because ________.
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A logic probe is placed on the output of a digital circuit and the probe lamp is dimly lit. This display indicates ________.
A logic probe is placed on the output of a digital circuit and the probe lamp is dimly lit. This display indicates ________.
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When the output of a standard TTL gate is HIGH, it can ________.
When the output of a standard TTL gate is HIGH, it can ________.
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The HIGH logic level for a standard TTL output must be at least ________.
The HIGH logic level for a standard TTL output must be at least ________.
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