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In which of the following types of A/D converters does the conversion time almost double for every bit added to the device?
- a)Counter type A/D converter
- b)Tracking type A/D converter
- c)Successive approximation type A/D converter
- d)Single-slope integrating type A/D converter
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
In which of the following types of A/D converters does the conversion ...
Counter type A/D converter
The counter type A/D converter is a type of analog-to-digital converter that uses a counter to perform the conversion. It works by comparing the input analog voltage with a reference voltage and incrementing or decrementing a counter based on the comparison result. The digital output is obtained by reading the final count value.
Conversion time doubling for every bit added
In the counter type A/D converter, the conversion time almost doubles for every bit added to the device. This is because the number of counts required to achieve a certain resolution increases exponentially with the number of bits.
When a counter type A/D converter is used, the resolution of the converter is determined by the number of bits in the counter. For example, a 4-bit counter can represent 2^4 = 16 different levels of analog voltage. To achieve a higher resolution, more bits are required.
Explanation
The conversion time in a counter type A/D converter is determined by the maximum count value that the counter can reach. This count value represents the maximum analog voltage that can be converted. For each additional bit added to the counter, the maximum count value doubles.
For example, let's consider a 4-bit counter. The maximum count value is 2^4 - 1 = 15. If we add one more bit to the counter, the maximum count value becomes 2^5 - 1 = 31. This means that the conversion time required to reach the maximum count value doubles when going from a 4-bit to a 5-bit counter.
In general, the conversion time for a counter type A/D converter can be approximated as T = N * t, where T is the conversion time, N is the number of counts required to reach the maximum count value, and t is the time taken for each count. Since N doubles for each additional bit, the conversion time T also doubles.
Therefore, in the counter type A/D converter, the conversion time almost doubles for every bit added to the device.
The counter type A/D converter is a type of analog-to-digital converter that uses a counter to perform the conversion. It works by comparing the input analog voltage with a reference voltage and incrementing or decrementing a counter based on the comparison result. The digital output is obtained by reading the final count value.
Conversion time doubling for every bit added
In the counter type A/D converter, the conversion time almost doubles for every bit added to the device. This is because the number of counts required to achieve a certain resolution increases exponentially with the number of bits.
When a counter type A/D converter is used, the resolution of the converter is determined by the number of bits in the counter. For example, a 4-bit counter can represent 2^4 = 16 different levels of analog voltage. To achieve a higher resolution, more bits are required.
Explanation
The conversion time in a counter type A/D converter is determined by the maximum count value that the counter can reach. This count value represents the maximum analog voltage that can be converted. For each additional bit added to the counter, the maximum count value doubles.
For example, let's consider a 4-bit counter. The maximum count value is 2^4 - 1 = 15. If we add one more bit to the counter, the maximum count value becomes 2^5 - 1 = 31. This means that the conversion time required to reach the maximum count value doubles when going from a 4-bit to a 5-bit counter.
In general, the conversion time for a counter type A/D converter can be approximated as T = N * t, where T is the conversion time, N is the number of counts required to reach the maximum count value, and t is the time taken for each count. Since N doubles for each additional bit, the conversion time T also doubles.
Therefore, in the counter type A/D converter, the conversion time almost doubles for every bit added to the device.
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Community Answer
In which of the following types of A/D converters does the conversion ...
The conversion time of the countertype A/D counter is (2n−1)Tclk
From above when bit increases, conversion doubles, So the answer is counter type A/D converter.
From above when bit increases, conversion doubles, So the answer is counter type A/D converter.
- Counter type ADC and successive approximate ADC uses DAC
- Counter type ADC uses linear search and successive approximation type ADC uses binary search
- Ring counter is used in successive approximation type ADC
- Flash type ADC is fastest ADC
- Flash type ADC requires no counter
- For an n-bit ADC, flash type ADC requires (2n – 1) comparators
- Dual slope ADC is most accurate
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In which of the following types of A/D converters does the conversion time almost double for every bit added to the device?a)Counter type A/D converterb)Tracking type A/D converterc)Successive approximation type A/D converterd)Single-slope integrating type A/D converterCorrect answer is option 'A'. Can you explain this answer?
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