VI. RC CIRCUIT 14. Use a resistor in the range of 500 2 to 5 k12, available in the laboratory, and a capacitor in the ra

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Vi Rc Circuit 14 Use A Resistor In The Range Of 500 2 To 5 K12 Available In The Laboratory And A Capacitor In The Ra 1 (144.09 KiB) Viewed 33 times

VI. RC CIRCUIT 14. Use a resistor in the range of 500 2 to 5 k12, available in the laboratory, and a capacitor in the range of 1-10 nF to design a circuit as in Fig. 2. Use the signal generator as the voltage source vį. Output voltage vo is to be measured with the oscilloscope. 15. Remember the signal generator has an internal resistor, which is not shown in Fig. 2, and the oscilloscope has an internal resistor and capacitor. These may or may not affect your measurement. You will need to comment on this later. R + VI + VO Fig. 2. Simple RC circuit with low-pass frequency response 16. If the signal generator is set to generate a sinusoidal voltage with 1 V amplitude and 100 kHz frequency, calculate the impedance and the expected Vo. What do you expect to measure at very low frequencies (close to 0 Hz) and at very high frequencies (say at 1 GHz)? Why this circuit is called a low-pass circuit? 17. Calculate the corner frequency fc of your circuit using the following formula. Notice that it relates to the natural time constant you have already learned. 1 fc 21 RC