Linear and Non-linear Applications of Op-amp

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What is the primary purpose of an Inverting Amplifier?

To provide a negative voltage gain (correct)
To amplify the voltage difference between two input signals
To provide a positive voltage gain
To integrate the input signal with respect to time

Which type of amplifier combines multiple input voltages with different gains to produce a single output voltage?

Integrator
Differential Amplifier
Voltage Follower
Summing Amplifier (correct)

What is the function of an Instrumentation Amplifier?

To amplify the voltage difference between two input signals
To create a digital switching circuit with hysteresis
To provide high common-mode rejection ratio (CMRR) for measurement and instrumentation applications (correct)
To integrate the input signal with respect to time

What type of amplifier uses a capacitor in the feedback loop to integrate the input signal with respect to time?

Integrator (D) Signup and view all the answers

What is the primary function of a Comparator with Hysteresis (Schmitt Trigger)?

To create a digital switching circuit with hysteresis (B) Signup and view all the answers

What is the primary function of a comparator in digital circuits?

To compare two input voltages and produce a digital output (B) Signup and view all the answers

What is the gain of a non-inverting amplifier determined by?

The ratio of the feedback resistor to the input resistor (D) Signup and view all the answers

What is the concept that assumes the voltage between the inverting and non-inverting inputs is virtually zero?

Virtual short circuit (D) Signup and view all the answers

What is the primary difference between an inverting and non-inverting amplifier?

The phase relationship between the input and output voltages (A) Signup and view all the answers

What is the function of a sample and hold circuit?

To sample an analog input voltage and hold it for a specific period (C) Signup and view all the answers

What is the primary function of a voltage follower circuit?

To maintain the same voltage level as the input (C) Signup and view all the answers

What is the purpose of the feedback resistor in a voltage follower circuit?

To provide unity feedback (A) Signup and view all the answers

What is the output voltage of an integrator circuit proportional to?

The integral of the input voltage over time (A) Signup and view all the answers

What is the characteristic of an integrator circuit at low frequencies?

Low-frequency dominance (D) Signup and view all the answers

What is the assumption made about the op-amp in the analysis of the voltage follower?

All of the above (D) Signup and view all the answers

What is the primary function of a differentiator circuit?

To perform mathematical differentiation of the input signal with respect to time (D) Signup and view all the answers

What is the purpose of a capacitor in a differentiator circuit?

To cause the circuit to perform differentiation (B) Signup and view all the answers

What is the primary function of a differential amplifier?

To amplify the difference between two input voltages (B) Signup and view all the answers

What is the output voltage of a simple inverting adder circuit?

Vout = -(R1RfV1 + R2RfV2 + R3RfV3) (D) Signup and view all the answers

What is the purpose of an op-amp configured as an adder or subtractor?

To perform addition or subtraction of multiple input signals (D) Signup and view all the answers

What is the primary function of an adder-subtractor circuit?

To perform both addition and subtraction operations (D) Signup and view all the answers

What is the output voltage of a log amplifier configuration?

Proportional to the logarithm of the input voltage (D) Signup and view all the answers

What is the purpose of diode clipping in electronic circuits?

To intentionally clip parts of a signal (C) Signup and view all the answers

What is the consequence of amplitude clipping in analog audio systems?

Loss of information in the clipped portions (B) Signup and view all the answers

What is the limitation of log and antilog amplifier configurations?

They are limited by the specific characteristics of the diode used (C) Signup and view all the answers

What happens when a digital signal exceeds the maximum representable value?

It is truncated at the maximum value, causing distortion (A) Signup and view all the answers

What is the effect of clipping on the signal in audio applications?

It leads to a harsh or gritty sound (D) Signup and view all the answers

What is the purpose of clamping in electronic circuits?

To shift the DC level of the signal to a desired voltage level (A) Signup and view all the answers

What is the difference between positive and negative clamping circuits?

The direction of the DC level shift (C) Signup and view all the answers

What is one of the applications of clamping circuits in video signal processing?

To set the black level in video signals (A) Signup and view all the answers

What is the primary function of a clamping circuit?

To generate specific waveforms with desired DC levels (D) Signup and view all the answers

What is the role of the capacitor in a clamping circuit?

To store and release charge during different parts of the input signal cycle (D) Signup and view all the answers

What is the purpose of a comparator circuit?

To compare two input voltages (A) Signup and view all the answers

What is the configuration of an op-amp used as a comparator?

Open-loop with positive feedback (D) Signup and view all the answers

What is the output of an inverting comparator when V1 > V2?

Saturates negatively (B) Signup and view all the answers

What determines the output of an inverting comparator?

The comparison of the input voltages (C) Signup and view all the answers

What is the output of an inverting comparator when V1 < V2?

Saturates positively (A) Signup and view all the answers

What is the purpose of positive feedback in an op-amp comparator?

To enable the op-amp to compare two input voltages (C) Signup and view all the answers

What determines the choice of component values in a clamping circuit?

The specific requirements of the application (A) Signup and view all the answers

What is the typical output of an inverting comparator?

A waveform that swings between positive and negative saturation levels (A) Signup and view all the answers