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The speed of conversion is maximum in
- a)Successive approximation A/D converter
- b)Parallel comparative A/D converter
- c)Counter ramp A/D converter
- d)Dual slope A/D converter
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
The speed of conversion is maximum ina)Successive approximation A/D co...
The speed of conversion is maximum in Parallel Comparative A/D converter.
Explanation:
The speed of conversion refers to the time taken by an analog-to-digital converter (ADC) to convert an analog input signal into a digital output. The faster the conversion speed, the shorter the time it takes to convert the analog signal.
There are several types of ADC converters, including successive approximation, parallel comparative, counter ramp, and dual slope converters. Among these, the parallel comparative ADC converter has the maximum speed of conversion.
Parallel Comparative A/D Converter:
A parallel comparative ADC converter is a type of ADC that uses a set of comparators to compare the analog input voltage with a set of reference voltages. The comparators are connected in parallel, each comparing the input signal with a different reference voltage. The output of the comparators is then converted into a digital format using encoding techniques.
Reasons for Maximum Speed:
There are several reasons why the parallel comparative ADC converter has the maximum speed of conversion:
1. Parallel Comparison: In this type of converter, all the comparisons between the input signal and the reference voltages are performed simultaneously. This parallel comparison allows for faster conversion as multiple comparisons are done in parallel.
2. Reduced Conversion Time: Since all the comparisons are performed simultaneously, the parallel comparative ADC converter requires fewer clock cycles to complete the conversion. This reduced conversion time contributes to its faster speed.
3. High Sampling Rate: The parallel comparative ADC converter can achieve a high sampling rate, which is the number of samples taken per second. The high sampling rate allows for faster conversion of the analog signal into a digital format.
4. Wide Input Range: The parallel comparative ADC converter can handle a wide range of input voltages. This wide input range allows for faster conversion as there is no need for additional scaling or amplification of the input signal.
In conclusion, the parallel comparative ADC converter has the maximum speed of conversion due to its parallel comparison, reduced conversion time, high sampling rate, and wide input range capabilities.
Explanation:
The speed of conversion refers to the time taken by an analog-to-digital converter (ADC) to convert an analog input signal into a digital output. The faster the conversion speed, the shorter the time it takes to convert the analog signal.
There are several types of ADC converters, including successive approximation, parallel comparative, counter ramp, and dual slope converters. Among these, the parallel comparative ADC converter has the maximum speed of conversion.
Parallel Comparative A/D Converter:
A parallel comparative ADC converter is a type of ADC that uses a set of comparators to compare the analog input voltage with a set of reference voltages. The comparators are connected in parallel, each comparing the input signal with a different reference voltage. The output of the comparators is then converted into a digital format using encoding techniques.
Reasons for Maximum Speed:
There are several reasons why the parallel comparative ADC converter has the maximum speed of conversion:
1. Parallel Comparison: In this type of converter, all the comparisons between the input signal and the reference voltages are performed simultaneously. This parallel comparison allows for faster conversion as multiple comparisons are done in parallel.
2. Reduced Conversion Time: Since all the comparisons are performed simultaneously, the parallel comparative ADC converter requires fewer clock cycles to complete the conversion. This reduced conversion time contributes to its faster speed.
3. High Sampling Rate: The parallel comparative ADC converter can achieve a high sampling rate, which is the number of samples taken per second. The high sampling rate allows for faster conversion of the analog signal into a digital format.
4. Wide Input Range: The parallel comparative ADC converter can handle a wide range of input voltages. This wide input range allows for faster conversion as there is no need for additional scaling or amplification of the input signal.
In conclusion, the parallel comparative ADC converter has the maximum speed of conversion due to its parallel comparison, reduced conversion time, high sampling rate, and wide input range capabilities.
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Community Answer
The speed of conversion is maximum ina)Successive approximation A/D co...
Flash ADC is also known as parallel comparative A/D converter
1) Flash ADC - Faster speed and low noise immunity
2) SAC ADC - Low noise immunity and medium speed
3) RAMP ADC - Higher resolution and good noise immunity
4) Dual Slope ADC - Low speed and good noise immunity
For n-bit conversion, the conversion time for different ADC are:
Counter type ADC: (2n – 1) Tclk
Successive approx. time ADC: n Tclk
Flash type ADC: Tclk
Dual slope ADC: (2n+1 – 1) Tclk (Maximum time is taken)
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The speed of conversion is maximum ina)Successive approximation A/D converterb)Parallel comparative A/D converterc)Counter ramp A/D converterd)Dual slope A/D converterCorrect answer is option 'B'. Can you explain this answer?
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