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Category > Information Systems Posted 06 May 2017 My Price 5.00

Describe what happens when a typical AM modulator

Describe what happens when a typical AM modulator is overmodulated, and explain why overmodulation is undesirable.

 

 

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Status NEW Posted 06 May 2017 02:05 PM My Price 5.00

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file 1494081257-Answer.docx preview (65 words )
D-----------esc-----------rib-----------e w-----------hat----------- ha-----------ppe-----------ns -----------whe-----------n a----------- ty-----------pic-----------al -----------AM -----------mod-----------ula-----------tor----------- is----------- ov-----------erm-----------odu-----------lat-----------ed,----------- an-----------d e-----------xpl-----------ain----------- wh-----------y o-----------ver-----------mod-----------ula-----------tio-----------n i-----------s u-----------nde-----------sir-----------abl-----------e. ----------- An-----------swe-----------r: ----------- A----------- ty-----------pic-----------al -----------AM -----------wav-----------e c-----------an -----------be -----------rep-----------res-----------ent-----------ed -----------by -----------the----------- eq-----------uat-----------ion----------- : -----------Xc(-----------t) -----------= A-----------c[1-----------+µ-----------*x(-----------t)]-----------*co-----------s(?-----------t)w-----------her-----------e x-----------(t)----------- is----------- th-----------e m-----------ess-----------age----------- si-----------gna-----------l a-----------nd -----------|x(-----------t)|----------- =1----------- . -----------Now----------- , -----------for----------- µ----------- Fo-----------r 1-----------00%----------- mo-----------dul-----------ati-----------on,----------- we-----------nee-----------d Â-----------µ=1-----------. W-----------hen----------- µ-----------&am-----------p;g-----------t;1-----------, t-----------he -----------amp-----------lit-----------ude----------- A(-----------t) -----------can----------- go----------- ne-----------gat-----------ive----------- an-----------d t-----------her-----------e w-----------ill----------- be----------- ph-----------ase----------- re-----------ver-----------sal----------- of-----------the----------- AM----------- wa-----------ve ----------- -----------
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