What is VSWR? what are waveguides and their types. What is
Aloha? Shannon's information capacity theorem, Sampling
theorem, antenna gain, types of antennae, GSM/CDMA
comparison, modulation techniques, Superheterodyne receiver

Answer Posted / jeyalakshmi

Voltage standing wave ratio
ALOHA is a old ethernet or networking protocol
sampling theorem:fs> 2fmax
G=4piD/lambda square
modulation tech:AM,FM,PM,QPSK,QAM,OFDM..
superheterodyne Reciever:its freq converter...or a frequency
synthesizer ckt for conversion of frequencies

Is This Answer Correct ?    14 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What are the limitations of the basic differentiator circuit?

819


plz send jto previous papers

1563


The loss of precision in quantity is called A Down time B Delay C Unavoidable delay D None of these

1504


Can we interchange the source and drain terminals in a fet circuit? Can we do the same with the emitter and collector terminals of a bjt circuit?

646


Convert 1024 (in decimal) to octa and hexadecimal form

727






What is the impact of 3GDT in SGSN?

3325


What is the binary number system?

557


how to find the fault in smps if i am not getting the output

1274


describe the functioning off all the 40 pins of 8085 processor?

1362


how to work induction mooter

1451


How the earting for portable DG set is done?

1784


WHY RECIPROCITY THEOREM IS MAINLY USED IN ELECTRONICS

2835


Explain what is an adder or summing amplifier?

609


What is channel coding?

1427


1. A Man pays income tax of Rs.3000 of 10% the income will be Rs.12000.What will be his income before tax. 2. 135,45,180,60,240,75 will be next number. 3. A Can do a job in 9 days, A and B together can complete a job in 5 days. How long will B Alone can complete it? 4. Consider the word ECONOMISTICS, interchange the letter first and second, third and fourth, fourth and fifth and soon on. What will be the last letter after interchanging? 5. The 8 consecutive odd number with 7th term 9 is taken. Then what would be the sum of it. 6. Problem on profit and loss 7. Rosy and jenny plan to talk in secret code. Next day rosy send a message to jenny that her lover xxxxx ask to come. What could be his name? 8. Jackson was a famous writer; he uses a dash at the end of the line. This method was earlier followed by Dickson. Dickson found happy to see his poet printed in paper as such check which of the statement given below weaken the above passage. A. Jackson feels jealous of Dickson B. Dickson wontedly uses this method. 9. Basic Mathematic problems 10. Find the sequence of numbers Example: In the sequence of numbers 5, 8, 12, X, 34, 55, 89..... The value of X is

1916