Question 6 a) A Lambda sensor is used to detect the oxygen content of exhaust gas. The sensor gives an output of OV to 1

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Question 6 a) A Lambda sensor is used to detect the oxygen content of exhaust gas. The sensor gives an output of OV to 1

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Question 6 A A Lambda Sensor Is Used To Detect The Oxygen Content Of Exhaust Gas The Sensor Gives An Output Of Ov To 1 1
Question 6 A A Lambda Sensor Is Used To Detect The Oxygen Content Of Exhaust Gas The Sensor Gives An Output Of Ov To 1 1 (118.67 KiB) Viewed 15 times
Question 6 a) A Lambda sensor is used to detect the oxygen content of exhaust gas. The sensor gives an output of OV to 1.8V. This needs to be increased to 0 to 5V to match the microcontroller input levels. Design a suitable circuit to condition the sensor signal and show all calculations. [10 marks] b) What are the advantages of increasing the sensor signal to match the microcontroller minimum and maximum voltage levels? [4 marks] c) Describe how the basic DAC is used to achieve digital to analogue conversion. [8 marks] d) Describe three sources of error that can be encountered when using the basic DAC circuit. [3 marks] [25 marks total]
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