Interested to Buy Any Domain ? << Click Here >> for more details...
What is the need for modulation?
- 82 Answers
- 310552 Views
- Analog Devices, BSNL, HAL, Hathway, ICT, Kekran Mekran, KPIT, Microsoft, Nokia, SCSVMV, SRK, TATA, TCS, I also Faced
- E-Mail Answers
Answer Posted / vikrant
Modulation is needed because:-
1) At low frequency there is very high attenuation.
2) we increase the frequeny and thus decrease the
attenuation of signal, thus making it viable to be
transmitted over lon distance.
| Is This Answer Correct ? | 14 Yes | 6 No |
Post New Answer View All Answers
which book is better for rrb examination?
What is step up cyclo-converter ?
What is the difference between microprocessor and DSP?
Explain the approximate cost of the following corrosion monitoring systems. Smart pebbles eci-1(embedded corrosion instrument) monitoring cables time domain reflectometry &corrosion penetration monitoring system(cpmp)?
Explain conductivity?
What is single input output interface? How it is different from single ended interface?
Why is it necessary to include voltage stabilizer in a power supply?
What is the effect of if in radio receiver?
difference between USB net modem & GSM interface modem? Can we use usb modem in the place of GSM modem for wireless application? Also tell me Why we use AM for long distance communication but not FM(why do we use frequency reuse concept in FM radi only)
What are the different types of communications?
Which oscillator is best for general purpose?
what are the plc application in engineering.??
Draw the circuits of cb, ce and cc configurations using npn transistor.
What is a bcd? What are its advantages and disadvantages? Why is an excess-3 code is called an unweighted code?
how do work current transformer?
