What is the need for modulation?
Answer Posted / vignesh.a
Low freq signals can't be transmitted for long distance.
Thats why we are modulating the informtion signals.
| Is This Answer Correct ? | 168 Yes | 54 No |
Post New Answer View All Answers
What is a rectifier, what are its various types?
Hi i am chinna reddy i had completed my b.tech(ECE)2010 passout. but still no job please if anyone help me and suggest me. my mailid:chinnareddy.be@gmail.com Thanks&Regards chinna
Define cut off frequency?
IN A PN JUNCTION DIODE,( ON FORWARD BIAS ) WHEN ELECTRONS AND HOLES PAIRS MADE AND CURRENT FLOWS,THEIR IS NO END OF ELECTRONS AND HOLES IN A LITTLE SEMICONDUCTOR DEVICE.
Instead of specifying SETUP and HOLD time, can we just specify a SETUP time for '1' and a SETUP time for '0'?
what is the output differentiator and integrator?
Describe the sampling theorem.
Define a hole in a semiconductor.
what is ISR? what is the return value of ISR?
what is amplification factor
What is Response time of a thermocouple and a PT 100
Typically, an IA has an external resistor used for A Establishing the output impedance B Setting the voltage gain C Setting the current gain D Interfacing with an instrument
can u send me ttq upto 2008 on my email id pooja_bora18@yahoo.com.sorry for the trouble.
What is the magnetic susceptibility of a paramagnetic material?
What are the types of cyclo-converters?