Interested to Buy Any Domain ? << Click Here >> for more details...
Why do we use FM for sound and AM for video in TV
transmisssion?
- 5 Answers
- 29425 Views
- DRDO, I also Faced
- E-Mail Answers
Answer Posted / vinit92
fm is used in sound because every person have a different
voice quality and different voice frequency .and in fm
frequency change with respect to the information .every
person have a different voice frequency so we are using fm
in sound so we can get natural frequency effect in sound
........
but in video we are using am because in video
color,contrasts can be easily adjusted in am and video are
making on frame so frame can be easily adjusted on am so we
are using am in video ...
| Is This Answer Correct ? | 3 Yes | 5 No |
Post New Answer View All Answers
In a 2 stage RC coupled amplifier, the emitter resistance of 1st stage consists of 2 resistances (Re and Re')in series and the bypass capacitor is connected across only one of them(bigger resistance). Why?
I CLEARED THE MTNL WRITTEN EXAM, CAN U PLEASE POST THE INTERVIEW QUESTIONS...... I AM FROM ELECTRONICS AND COMMUNICATION BACK GROUND AND THE TYPE OF INTERVIEW? and give the reply to sridhert@rediffmail.com
is the syllabus of group1 and group2 same for all graduates like btech,bsc,bcom?
send me syllubus of AAI exmatation
if any body have tyco electronics placement papers,please forward to my mail id kadhar.basha@gmail.com ,please as early as possible. thanks®ards kadhar basha
Which frequency would a frequency-counter count , if it is connected to an antenna that is recieving several frequencies close to each other in amplitude?
What is High frequency transformer cores made of?
what is pla instruction
Give the expression for the vco free running frequency.
What are chebushev filters?
Which is the pin no of CN1 TERMINAL and the parameter using in delta servo drive for auto/man input and start forward input
What is conductor?
What is cache coherence?
Sir, I wish to appear for the written test in the year 2009. But i have no syllabus on the basis of that the exam was held. So if you kindly give me the syllabus,it's easy for me to be prepared. I have already registered through online,and that no is 10857
Hi; May you please tell me that There are any best institute or training center in north India region like as Delhi NCR for Protocol stack development & testing, which are better for experienced & professional engg.
