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Matlab Example – Bode Plots of a Low Pass Filter (Part 2)

The Matlab tutorial article continues with providing an example of a low pass filter (LPF) to graph its bode plot in Matlab. The low pass filter was implemented using a simple RC-circuit. To review, bode plots are basically logarithmic graphs of a linear time-invariant system as a function of frequency. Bode plots are useful tools [...] . . . → Read More: Matlab Example – Bode Plots of a Low Pass Filter (Part 2)

Simulink / Matlab Tutorial and Example – Low Pass Filter (Part 1)

The Matlab tutorial provides a quick introduction describing a low pass filter (LPF). A LPF passes low frequency signals while attenuating the amplitude of signals with higher frequencies at a frequency called the cutoff frequency. The cutoff frequency determines when frequencies of the input signal passes through the filter unattenuated and what signal frequencies gets [...] . . . → Read More: Simulink / Matlab Tutorial and Example – Low Pass Filter (Part 1)

Matlab Examples – Amplitude Demodulation Using Envelope Detection

Another detection scheme is called envelope detection consisting of a simple diode and a low pass filter ( a parallel connection of a resistor and capacitor).The low pass filter gets rid of the higher frequencies coming out of the diode and to allow the low frequency message signal to pass through the filter. The detection [...] . . . → Read More: Matlab Examples – Amplitude Demodulation Using Envelope Detection