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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?
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Answer Posted / nitesh.kr1234
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Explain the various types of digital to analog converters?
How does a signal differ from a wave?
What is the magnetic susceptibility of a paramagnetic material?
What are the main purposes for which a cc amplifier may be used.
what is meant by procedure oriented n object oriented
Explain why the aspect ratio of tv video display is 4:3 or 16:9?
Describe the operation of series inverter with aid of diagrams. Describe an expression for output frequency, current and voltages. What are the disadvantages of basic series inverter?
5. What is the maximum transmit power of FlexiEdge BTS
What is cdma, tdma, fdma?
Explain what is an adder or summing amplifier?
what is an inverting amplifier?
Describe the principle of step-up chopper. Derive an expression for the average output voltage in terms of input dc voltage & duty cycle?
What is step up chopper?
Why regeneration is not possible in semiconductor
