AM radios/electrical network

May 15th, 2015
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Electrical Network –is the interconnection of electrical components To: analyze, design, and measure. Quantities number ex. Current voltage. EE sub disciplines:Power,

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AM radio sElectrical Network is the interconnection of electrical components To: analyze, design, and measure. Quantities number ex. Current voltage.EE sub disciplines:PowerElectromagneticsCommunication / Signal processing Digital controlControlSolid stateAM radioEE disciplines: C/SP (frequency domain analysis)ElectroMag (antennas, high frequency circuits)Power (battery,power supplies) SS (minaturation, low-power electronics) System: Transmitter, ReceiverSignal is a quantity may vary with time.Voltage or current Sound (pressure wave travelling through air or water)Light/radio waves (electromagnetic energy traveling through free space) Frequency analysis and design of AM radiosusing Fourier analysis ( combinations of sinusoids( sines and cosines) is the rate which signal oscillates Electromagnetic Waves visible light within 380thz 860thz Red- 460thz green-570thz blue- 630thzAM radio limit: 500khz 1.8mhz Sound waves pitch of the sound (frequency) clear whistle(sound) Static(sound) many frequencyFourier analysis mathematical analysis of signals weighted sum of sine and cosineex. Square waveAM transmitter 10khz (

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