| Other Electronics Communications Interview Questions |
|| Asked @
|generic values for:
• Maximum power
• Emission bandwidths and modulation types
• Frequency ranges, frequency stability, attenuation
of intermodulation products and selectivity
of a quadband dual simm chinese cellphone?
|What is D-FF?
What is the basic difference between Latches and Flip flops?
What is a multiplexer?
How can you convert an SR Flip-flop to a JK Flip-flop?
How can you convert an JK Flip-flop to a D Flip-flop?
What is Race-around problem? How can you rectify it?
Which semiconductor device is used as a voltage regulator and why?
Explain an ideal voltage source?
Explain zener breakdown and avalanche breakdown?
What are the different types of filters?
What is the need of filtering ideal response of filters and actual response of filters?
What is sampling theorem?
What is impulse response?
Explain the advantages and disadvantages of FIR filters compared to IIR counterparts.
What is CMRR?
Explain half-duplex and full-duplex communication?
Which range of signals is used for terrestrial transmission?
Why is there need for modulation?
Which type of modulation is used in TV transmission?
Why we use vestigial side band (VSB-C3F) transmission for picture?
When transmitting digital signals is it necessary to transmit some harmonics in addition to fundamental frequency?
For asynchronous transmission, is it necessary to supply some synchronizing pulses additionally or to supply or to supply start and stop bit?
BPFSK is more efficient than BFSK in presence of noise. Why?
What is meant by pre-emphasis and de-emphasis?
Explain 3 dB cutoff frequency? Why is it 3 dB, not 1 dB?
Explain ASCII, EBCDIC?
|AT INPUT OF ups ,n-e is 2 volt ,at out of ups n-e is 15volt
|. A superconductor is a
a.) A material showing perfect conductivity and Meissner
effect below a critical temperature
b.) A conductor having zero resistance
c.) A perfect conductor with highest di-magnetic susceptibility
d.) A perfect conductor which becomes resistance when the
current density through it exceeds a critical value
|Dear All, How can I make 5VDC with 500mA current rating
from our 230VAC. Can anybody help me with different answers?
I am Ansari-9820016777.
|in a distortion factor meter , the filter at the front end
is used supress ?
a=b<<a + b>>2;
|why is the threshold voltage of PMOS transistor negative
|components that use negative dc voltage
|What is Micro Controller and Micro Processor. What is the
difference between the two
|I want the technical question with answer for RRB J.E.exam
|There is a toy train that can make 10 musical sounds. It
makes 2 musical sounds after being defective. What is the
probability that same musical sound would be produced 5
times consecutively? ( 1 of _____) ?
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