This preview shows pages 1–6. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentThis preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentThis preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: 0.8V cos(2 25,000 t )V v am (t) 4. Given the above amplitude modulated signal answer the questions below. a. Determine the frequency of the original modulating signal. b. Determine the carrier frequency. c. Calculate the modulation index. d. Calculate the antenna length required to efficiently transmit this signal. e. Calculate the inductor value required to tune to this signal with a 1nF capacitor. Volts t t t t v m )] 5000 2 cos( 3 ) 3000 2 cos( 2 ) 1000 2 cos( 1 [ ) ( + + = 5. Given the amplitude modulation process is shown above. a. Plot the magnitude spectrum of the am signal. b. Determine the power in the carrier, upper sideband, and lower sideband. v m (t) 8V cos(2 600,000 t ) v am (t)...
View
Full
Document
This test prep was uploaded on 03/20/2008 for the course ECE 200 taught by Professor Escuti during the Fall '07 term at N.C. State.
 Fall '07
 Escuti

Click to edit the document details