Apr 11, 2020 · The heart of the function generator is the integrator, formed by U1B, R1, R2, R3, S1- 6, C1 – 6, and the comparator with hysteresis, formed by U1C, R6, R7, R9, and R10. They work together in the following way. U1C has its output low. When the input feeding U1Bin- is less than the reference voltage, the output of U1B ramps up.
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