Your company produces radio transmitters and part of that circuit multiplies a high-frequency sinusoidal: Engineering Maths Assignment, UK

Task 3:

PART 1
Your company produces radio transmitters and part of that circuit multiplies a high-frequency sinusoidal carrier signal 𝑉𝑉𝑉𝑉, with a much lower frequency audio signal 𝑉𝑉𝑉𝑉.

The relevant input and output signals are shown below.

Use one of the graphical packages listed at the beginning of this assignment to plot 𝑉𝑉𝑐𝑐, 𝑉𝑉𝑎𝑎, 𝑎𝑎𝑎𝑎𝑎𝑎 𝑉𝑉𝑜𝑜, and include a screenshot of your plot as part of your submission. Ensure the scale of both axes is carefully chosen to clearly show the detail of all 3 waveforms.

If you drew a smooth curve linking the peaks of the positive half cycles of the output waveform, Vo, which is called the envelope of the waveform, what can you observe about that curve?

Answer

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