Engineering, 06.05.2020 04:43 adrian540

A sinusoidal voltage source produces the waveform, v t = 1 + cos 2πft. Design a system with v t as its input such that an LED will light up when f exceeds 50 Hz. The LED has a forward built-in voltage of 2 V. It is okay if the LED flickers when it’s ON, but it should not light up at all when OFF (Hint: use an "ideal" filter along with other components).

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A sinusoidal voltage source produces the waveform, v t = 1 + cos 2πft. Design a system with v t as i...