Answer Posted / shiva krishna prasad
1. To reduce antenna height
2. To convert low freq signal to high freq
3. multiplexing of many signals through the same channel
4. To reduce noise& interference by modulation (means shifting
the signal to a place whr oise is less)
5. For narrow banding of signals
6. equipment limitation
| Is This Answer Correct ? | 52 Yes | 5 No |
Post New Answer View All Answers
What is meant by bcd code?
im ece student.im applyng 4 rrb junior engineer (electrical) i got hallticket....plz...try to send the syllabus of junior engineer(electrical)
Explain why normally control terminal of 555 timer is connected to ground through a 0.01µf bypass capacitor?
What are the functions of base station system (bss)?
i m a b.tech 2nd yr student.. i can be placed in my degree but still should i think for MBA?
Define what is the conductivity of perfect dielectric?
what is call flow!
is below 2 ohms earth resistance is good for mobile tower
Compare csi and vsi?
What are the advantages of freewheeling diode in rectifier circuit?
Define what is the effect of temperature on the reverse current of a p-n junction?
why length of antenna is taken as one half of wavelength or one fourth of wavelength? Why not one eighth or one sixteenth?
is the syllabus of group1 and group2 same for all graduates like btech,bsc,bcom?
draw a ckt diagram i/p 230v & o/p 80v??????
What is an excess-3 code?