When the switch has been open for a long time and is

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Unformatted text preview: , the comparator output saturates low, near  ­Vcc. Thus the comparator converts an analog voltage (one that can take on an infinite number of values) into a digital one (high or low, 1 or 0, on or off). A comparator is a simple form of an analog ­to ­digital converter (ADC). 3.a (5 points) Set ­up • Construct the circuit of figure P3 ­1. • Adjust the 100 KΩ pot to vary V ­. • Adjust the 10 KΩ pot to vary vin. Measurements and calculations • Complete Table below. V ­ 3.0 V 2.9 V 3.0 V 3.1 V 6.0 V 3.1 V 6.0 V vin Expected LED State Observed LED State 8.0 V Measure the low limit of the comparator...
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