Question Pre-4: In this lab, you will be building the circuit shown in Figure 8. 1. However, for portions of this lab, you will need to flip the switch between position 1 and position 2 much faster than you can by hand. To achieve this, you will replace the DC power supply in Figure 8. 1 with a function generator. The function generator can deliver a square wave input voltage to the circuit Votr which frequently steps between zero volts and some constant voltage Vo. This is equivalent to regularly switching between position 1 (Vo) and position 2 (zero) in Figure 8 1 (V(t) Figure 8 A

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Question Pre-4: In this lab, you will be building the circuit shown in Figure 8. 1. However, for
portions of this lab, you will need to flip the switch between position 1 and position 2 much
faster than you can by hand.
To achieve this, you will replace the DC power supply in
Figure 8. 1 with a function generator. The function generator
can deliver a square wave input voltage to the circuit
which frequently steps between zero volts and some
constant voltage Vo. This is equivalent to regularly switching
between position 1 (Vo) and position 2 (zero) in Figure 8. 1.
(V(t)
(V(t)
In Figure 8. 4, the function generator is represented by and R = 5602 and C = 1 µF.
Suppose the function generator in Figure 8.4 produces the square wave input voltage that's
shown in Figure 8.6 below.
(a) What is the time constant for the circuit shown in Figure 8. 4?
Figure 8.6
Figure 8.4
(b) How will the voltage across the capacitor behave over time? Sketch the behavior on
Figure 8. 5. Label the vertical scale with an appropriate number of volts/division.
Horizontal 1ms/div Vertical 500 mV/div
Figure 8.5
Horizontal _1ms/div_Vertical_
Transcribed Image Text:Question Pre-4: In this lab, you will be building the circuit shown in Figure 8. 1. However, for portions of this lab, you will need to flip the switch between position 1 and position 2 much faster than you can by hand. To achieve this, you will replace the DC power supply in Figure 8. 1 with a function generator. The function generator can deliver a square wave input voltage to the circuit which frequently steps between zero volts and some constant voltage Vo. This is equivalent to regularly switching between position 1 (Vo) and position 2 (zero) in Figure 8. 1. (V(t) (V(t) In Figure 8. 4, the function generator is represented by and R = 5602 and C = 1 µF. Suppose the function generator in Figure 8.4 produces the square wave input voltage that's shown in Figure 8.6 below. (a) What is the time constant for the circuit shown in Figure 8. 4? Figure 8.6 Figure 8.4 (b) How will the voltage across the capacitor behave over time? Sketch the behavior on Figure 8. 5. Label the vertical scale with an appropriate number of volts/division. Horizontal 1ms/div Vertical 500 mV/div Figure 8.5 Horizontal _1ms/div_Vertical_
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