(6 marks) Q2. (a) An oscilloscope has a bandwidth of DC to 20 MHz. Is the oscilloscope capable to display a signal with

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6 Marks Q2 A An Oscilloscope Has A Bandwidth Of Dc To 20 Mhz Is The Oscilloscope Capable To Display A Signal With 1 (323.61 KiB) Viewed 31 times

(6 marks) Q2. (a) An oscilloscope has a bandwidth of DC to 20 MHz. Is the oscilloscope capable to display a signal with a rise time of 15 ns? Justify your answer. (10 marks) (b) With the aid of a diagram, explain the use of the input coupling switch when selected as: (1) AC (ii) DC (ii) GND (4 marks) (c) A 10:1 attenuation probe is connected to a CRO input. The cable capacitance of the probe Cce is 30 pF. The input resistance R. and capacitance C of the CRO are 1 M9 and 25 pF respectively. (i) Draw an equivalent circuit diagram showing the connection between the probe and the CRO. (ii) What should be the resistance R, and capacitance Cof the probe head to give correct compensation? (5 marks)