Question

1. A 1000 KHz carrier is simultaneously modulated with 300Hz and 2 kHz audio sine waves. The frequency which will not be present in output is *

​

Answer 1

Answer:

What would you like to ask?

PHYSICS

avatar

Asked on December 30, 2019 by

Kamale Bhutto

A 1000kHz carrier is simultaneously modulated with 300Hz, 800Hz and 2kHz audio waves. The frequencies present in the output are

Share

Study later

ANSWER

f

c

=1000kHz

f

m1

=300Hz

f

m2

=800Hz

f

m3

=2kHz

f

USB1

=f

c

+f

m1

=1000×10

3

+300

=1000.3kHz

f

LSB1

=f

c

−f

m1

=1000×10

3

−300

=999.7kHz

f

USB2

=f

c

+f

m2

=1000×10

3

+800

=1000.8kHz

f

LSB2

=f

c

−f

m2

=1000×10

3

−800

=999.2kHz

f

USB3

=f

c

+f

m3

=1000×10

3

+2000

=1002kHz

f

LSB3

=f

c

−f

m3

=1000×10

3

−2000

=998kHz

Answer 2

Don’t know
Pls mark as brainliest