(b) (i) Although both voltmeter and oscilloscope can measure voltages, however an oscilloscope can provide more information on voltages compared to the voltmeter. What are the information that can be provided by an oscilloscope which cannot provided by a voltmeter? 5 UTM (ii) With the timebase of an oscilloscope switched off an alternating voltage TM moves the spot on the screen up and down once in 0.20 s. Its range of movement is 4.0 cm and the y-gain is set at 20 mV/cm. What is the amplitude and the frequency of the signal? UTM * UTM

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(b) (i)
Although both voltmeter and oscilloscope can measure voltages,
however an oscilloscope can provide more information on voltages
compared to the voltmeter. What are the information that can be provided
by an oscilloscope which cannot provided by a voltmeter?
5 UTM
(ii)
With the timebase of an oscilloscope switched off an alternating voltage
moves the spot on the screen up and down once in 0.20 s. Its range of
movement is 4.0 cm and the y-gain is set at 20 mV/cm. What is the
amplitude and the frequency of the signal?
5 UTM
UTM
& UTM
When 10100 is input to a 5-bit digital-to-analog converter, the output
(c) (i)
5 UTM
* UTM
current is 10 mA. What will be the output current if the input is 11101?
(ii) Sketch the output versus input graph_for a 4-bit digital-to-analog
UTM
1 V. Your sketch must clearly indicate the resolution of the DAC.
UTM
converter (DAC) which has a range from 0 V to 15 V and a resolution of
UTM
(iii) An analog-to-digital converter inputs a voltage ranging from 0 to 5 volts
DC and converts the voltage into an 8-bit binary number. Determine the
discrete steps in the output when the converter circuit resolves the input
voltage from one end of its range (0 volts) to the other (5 volts)?TM
UTM & Ủ
UTM
UTM
UTM
5 UTM
Transcribed Image Text:(b) (i) Although both voltmeter and oscilloscope can measure voltages, however an oscilloscope can provide more information on voltages compared to the voltmeter. What are the information that can be provided by an oscilloscope which cannot provided by a voltmeter? 5 UTM (ii) With the timebase of an oscilloscope switched off an alternating voltage moves the spot on the screen up and down once in 0.20 s. Its range of movement is 4.0 cm and the y-gain is set at 20 mV/cm. What is the amplitude and the frequency of the signal? 5 UTM UTM & UTM When 10100 is input to a 5-bit digital-to-analog converter, the output (c) (i) 5 UTM * UTM current is 10 mA. What will be the output current if the input is 11101? (ii) Sketch the output versus input graph_for a 4-bit digital-to-analog UTM 1 V. Your sketch must clearly indicate the resolution of the DAC. UTM converter (DAC) which has a range from 0 V to 15 V and a resolution of UTM (iii) An analog-to-digital converter inputs a voltage ranging from 0 to 5 volts DC and converts the voltage into an 8-bit binary number. Determine the discrete steps in the output when the converter circuit resolves the input voltage from one end of its range (0 volts) to the other (5 volts)?TM UTM & Ủ UTM UTM UTM 5 UTM
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