Data Conversion

<p>Analogue data represents continuous information, while digital data uses discrete values. (C)</p> Signup and view all the answers

<p>Converting a temperature reading from a sensor to a digital value. (D)</p> Signup and view all the answers

<p>Digital (C)</p> Signup and view all the answers

<p>Op-amps function as comparators within ADCs and DACs, comparing input signals to reference values. (B)</p> Signup and view all the answers

<p>It is very expensive to implement. (B)</p> Signup and view all the answers

<p>The number of comparators required increases exponentially with the resolution of the ADC. (C)</p> Signup and view all the answers

<p>To detect the voltage thresholds that correspond to each digital code. (A)</p> Signup and view all the answers

<p>High-resolution Flash ADCs become increasingly complex and expensive. (B)</p> Signup and view all the answers

<p>31 (D)</p> Signup and view all the answers

<p>Fast conversion speed, making them well-suited for high-speed applications. (B)</p> Signup and view all the answers

<p>The set of comparators that determine the digital code based on the input analogue voltage. (A)</p> Signup and view all the answers

<p>Digital codes are inherently discrete, while analogue signals are continuous. (A)</p> Signup and view all the answers

<p>To convert the binary code from the comparators to the desired output format. (A)</p> Signup and view all the answers

<p>Increasing the number of bits increases the resolution of the ADC. (C)</p> Signup and view all the answers

<p>To detect when an input voltage exceeds a specific threshold (C)</p> Signup and view all the answers

<p>It goes to its maximum positive level (D)</p> Signup and view all the answers

<p>It enables detection of extremely small voltage differences (A)</p> Signup and view all the answers

<p>Due to the design considerations of the power supply used for the op-amp (A)</p> Signup and view all the answers

<p>It uses a fixed reference voltage other than zero volts (A)</p> Signup and view all the answers

<p>It provides a more stable and accurate reference voltage (C)</p> Signup and view all the answers

<p>Maximum negative voltage (D)</p> Signup and view all the answers

<p>By driving the output to its maximum positive or negative levels depending on the input's polarity (B)</p> Signup and view all the answers

<p>Zener diode (B)</p> Signup and view all the answers

<p>To reduce the output voltage and connect it to the inverting input (C)</p> Signup and view all the answers

<p>The output signal is inverted and remains at the same amplitude (A)</p> Signup and view all the answers

<p>To convert a digital signal into an analogue representation (A)</p> Signup and view all the answers

<p>To convert the digital input values to an analogue voltage (A)</p> Signup and view all the answers

<p>The output signal is inverted in a non-inverting amplifier but not in an inverting amplifier (D)</p> Signup and view all the answers

<p>Reduces distortion and noise in the output signal (C)</p> Signup and view all the answers

<p>To invert the digital signal without changing its amplitude. (C)</p> Signup and view all the answers

<p>To provide negative feedback for stability and control (A)</p> Signup and view all the answers

<p>It inverts the signal without changing its amplitude (A)</p> Signup and view all the answers

Continuous data that captures every detail of a measurement.

Data that is sampled and measured in discrete values.

A device that converts analogue signals into digital data.

A device that converts digital data into analogue signals.

A device that converts one form of energy to another, usually a physical variable.

An electronic component that can amplify voltage and act as a comparator in ADCs and DACs.

The process of measuring discrete points from a continuous signal for digital representation.

A method to identify when an input voltage exceeds zero using an op-amp comparator.

An operational amplifier configuration used to compare two voltages and output a digital signal based on the comparison.

When the output voltage of an op-amp reaches its maximum or minimum limit due to input conditions.

The amplification level of an op-amp without any feedback, often very high, e.g., 100000.

The voltage discrepancy between the non-inverting and inverting inputs of an op-amp.

A waveform produced by the op-amp when it switches between its maximum positive and negative outputs.

A fixed voltage level used in comparators to determine when the input voltage is significant.

A circuit that divides input voltage into smaller output voltages, often used for setting VREF.

A type of diode used to maintain a fixed reference voltage in circuits.

An op-amp configuration that amplifies input signal without phase reversal.

The original voltage signal applied to the non-inverting input of the op-amp.

A circuit where some output is fed back to the input to control gain.

An op-amp configuration that amplifies the input signal with phase reversal.

The output signal is equal in magnitude but opposite in phase to the input.

A circuit that converts digital signals into analogue voltage.

Resistors used in DAC circuits to apply different weights to input values.

Operational amplifier used to amplify voltage signals.

A continuous voltage value representing a physical quantity.

A type of ADC that converts an analogue signal to a digital code quickly using comparators.

A device that compares two voltages and outputs a digital signal indicating which is greater.

Circuitry that converts comparator signals into a corresponding binary number.

A binary number that can represent four possible values (00, 01, 10, 11).

The spectrum of voltages that represent different values in an analogue signal.

The smallest change in analogue input that can be detected by the ADC.

The number of comparators needed grows exponentially as bits increase for ADCs.

The network of comparators that determine the closest digital representation of an analogue voltage.

The method of converting continuous analogue signals into discrete digital data.

Assigning specific digital codes to different analogue voltage levels.

A digital logic gate that outputs true or 1 only when the number of true inputs is odd.

A device that converts multiple input signals into a fewer number of output signals, often using diodes in Flash ADCs.

The time it takes for a signal to travel through a circuit, important for the performance of ADCs.

Output that represents values in a non-linear way, allowing for larger changes with small input variations.