EMAGS Quiz: PUT-RELAXATION-OSCILLATOR-Sarmiento
8 Jan 2022
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To determine how a put is used as a switch in a relaxation oscillator. To determine the approximate output frequency of a put relaxation oscillator. Construct the experimental circuit as shown in figure 1. Measure the operating voltages va, vk, and vg using the voltmeter. Examine the voltage waveforms at a, k and g terminals using the oscilloscope. Draw these voltage waveforms in the graphs provided, indicating their peak-to-peak values. Calculate the approximate frequency of the oscillator from the values of ra and ca components and record the result in table 2. Using the oscilloscope, measure and record in table 2 the actual frequency at the a terminal of the put. Remember that f = 1/t, where t is the time period of one cycle. Change ra and ca components based on table 2 and repeat steps 4 and. A half square pulse train is found at the gate of a put oscillator.
