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Dual scope integration type Analog-to-digital converter provides
- a)higher speed compared to all other types of A/D converters.
- b)very good accuracy without putting extreme requirements on component stability.
- c)good rejection of power supply noise which is not possible in A/D converter.
- d)better resolution compared to all other types of A/D converters for the same number of bits.
Correct answer is option 'B'. Can you explain this answer?
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Dual scope integration type Analog-to-digital converter provides:
1. Higher speed compared to all other types of A/D converters:
The statement is incorrect. Dual-slope integration type ADCs do not offer higher speed compared to all other types of A/D converters. In fact, they are relatively slower compared to other types such as successive approximation ADCs or flash ADCs. Dual-slope integration ADCs are commonly used in applications where speed is not the primary concern, but accuracy is important.
2. Very good accuracy without putting extreme requirements on component stability:
This statement is correct. One of the key advantages of dual-slope integration ADCs is their ability to provide excellent accuracy without requiring extremely stable components. These ADCs use an integration technique where the unknown analog input voltage is integrated for a fixed period of time, and then a known reference voltage is integrated for the same period of time. By comparing the two integration results, the unknown voltage can be accurately determined. This integration process compensates for any variations or drifts in the reference voltage or components' characteristics, thereby providing good accuracy without the need for strict component stability requirements.
3. Good rejection of power supply noise which is not possible in A/D converter:
This statement is incorrect. Dual-slope integration ADCs are susceptible to power supply noise just like any other type of ADC. Power supply noise can introduce errors in the integration process and affect the accuracy of the conversion. To minimize the impact of power supply noise, proper power supply filtering and decoupling techniques should be employed.
4. Better resolution compared to all other types of A/D converters for the same number of bits:
This statement is incorrect. Dual-slope integration ADCs typically provide lower resolution compared to other types of ADCs for the same number of bits. The resolution of an ADC refers to the smallest change in input voltage that can be detected and represented by a single bit. Higher resolution indicates a finer level of detail in the conversion. Dual-slope integration ADCs are often used in applications where high resolution is not critical, but accuracy and stability are more important.
In summary, the correct answer is option 'B' - Dual scope integration type Analog-to-digital converter provides very good accuracy without putting extreme requirements on component stability. However, it is important to note that this type of ADC does not offer higher speed, better rejection of power supply noise, or better resolution compared to all other types of ADCs.
1. Higher speed compared to all other types of A/D converters:
The statement is incorrect. Dual-slope integration type ADCs do not offer higher speed compared to all other types of A/D converters. In fact, they are relatively slower compared to other types such as successive approximation ADCs or flash ADCs. Dual-slope integration ADCs are commonly used in applications where speed is not the primary concern, but accuracy is important.
2. Very good accuracy without putting extreme requirements on component stability:
This statement is correct. One of the key advantages of dual-slope integration ADCs is their ability to provide excellent accuracy without requiring extremely stable components. These ADCs use an integration technique where the unknown analog input voltage is integrated for a fixed period of time, and then a known reference voltage is integrated for the same period of time. By comparing the two integration results, the unknown voltage can be accurately determined. This integration process compensates for any variations or drifts in the reference voltage or components' characteristics, thereby providing good accuracy without the need for strict component stability requirements.
3. Good rejection of power supply noise which is not possible in A/D converter:
This statement is incorrect. Dual-slope integration ADCs are susceptible to power supply noise just like any other type of ADC. Power supply noise can introduce errors in the integration process and affect the accuracy of the conversion. To minimize the impact of power supply noise, proper power supply filtering and decoupling techniques should be employed.
4. Better resolution compared to all other types of A/D converters for the same number of bits:
This statement is incorrect. Dual-slope integration ADCs typically provide lower resolution compared to other types of ADCs for the same number of bits. The resolution of an ADC refers to the smallest change in input voltage that can be detected and represented by a single bit. Higher resolution indicates a finer level of detail in the conversion. Dual-slope integration ADCs are often used in applications where high resolution is not critical, but accuracy and stability are more important.
In summary, the correct answer is option 'B' - Dual scope integration type Analog-to-digital converter provides very good accuracy without putting extreme requirements on component stability. However, it is important to note that this type of ADC does not offer higher speed, better rejection of power supply noise, or better resolution compared to all other types of ADCs.
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Dual scope integration type Analog-to-digital converter providesa)higher speed compared to all other types of A/D converters.b)very good accuracy without putting extreme requirements on component stability.c)good rejection of power supply noise which is not possible in A/D converter.d)better resolution compared to all other types of A/D converters for the same number of bits. Correct answer is option 'B'. Can you explain this answer?
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