Interested to Buy Any Domain ? << Click Here >> for more details...
Why the singnal of wireless/Tv in db value? and why it is
showing in minus(-)?
- 4 Answers
- 7460 Views
- BSNL, Wipro, I also Faced
- E-Mail Answers
Answer Posted / shivaleela
Here db(logarithmic unit) stands for Decibel. In humans the
audible range of frequencies is usually said to be 20 Hz
(cycles per second) to 20 kHz (20,000 Hz). It may be harmful
for human ear if it exceeds that range.Hence the value of dB
is always -(minus).
| Is This Answer Correct ? | 18 Yes | 9 No |
Post New Answer View All Answers
write the expression for a multiple Pi section filter's ripple factor?
What are the advantages of using c band for satellite communication?
The positive clipper can be easily converted into negative clipper by A Reversing diode and changing the polarity of reference voltage B Reversing diode only C Changing the polarity D None of these
differnce between ups and inverters. Series and parallel batteries connections of ups.
What is modbus, profibus, fieldbus
can we conect lowpass filter before high pass filter in cascade form in band pass filter?(active filter).
What is multiplexing?
What is the tri state of a signal?
Difference between electronic and electrical.
Define what is photodiode?
How rectangular filter are practically made?
explain the principle of operation of successive approximation adc.
hai iam venkat iam appering RRB exam chennai on 23 nov 2008. pls help me wat kind of questions i to prepare? mail {venkiremo_krv@yahoo.co.in]
pls what type of questions asked in interview of appsc polytechnic govt lecturers mail to kram.thulasi@gmail.com
What is the Difference betn IBS & REPEATER?
