which taype question pattern in hr round in telecom feild.

0 Answers   Huawei,

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what are components used in LED message display board

2 Answers  

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What is meant by 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? What do you mean by an ideal voltage source? What do you mean by 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 briefly. What do you mean by half-duplex and full-duplex communication? Explain briefly. Which range of signals are used for terrestrial transmission? What is the 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? What do you mean by 3 dB cutoff frequency? Why is it 3 dB, not 1 dB?

0 Answers   MAHINDRA,

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what will happend when you will switch on your mobile?need technical answer?wich are the channels associated with this?

9 Answers   Wipro,

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Hiiii....Friends Which one is right? 1.All transducers are sensors but all sensors are not transducers.(or) 2.All sensors are transducers but all transducers are not sensors..... Plzzzz tel me guys...thank u in advance...

2 Answers  

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Tell me why gold is added to the p-n junction?

0 Answers  

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What is Interleaving? Why do we need it?

0 Answers  

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Explain what is a voltage follower?

0 Answers  

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Define what is its magnitude for ge and si?

0 Answers  

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is msrn reqiured only when the mobile is in roaming,pls tell me what is the concept of msrn.

3 Answers   Ericsson,

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What do you understand by reverse saturation current of a diode?

0 Answers  

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What is the meaning of tristate signal in electronics?

0 Answers  

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