Answer / ran145

The angular range of the antenna pattern in which at least
half of the maximum power is still emitted is described as a
Beam With.

rrb

1 Answers   RRB,

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What is a Quality Factor?

19 Answers   AML, IIT, L&T, Nalco,

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what is mean by biasing?

2 Answers  

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Explain why a voltmeter should be of very high resistance?

0 Answers  

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GSM channel bandwidth is a ).200mhz b).200khz c).25 mhz. d.)25 khz

12 Answers   Cisco, Google, NET, Rancore,

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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 is an astable multivibrator?

0 Answers  

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Why use -48v power to BTS

0 Answers  

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optical fiber losses.

11 Answers   ONGC, RRB, Tata Communications, Telecommunications,

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What is tri state of a signal?

0 Answers  

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what is potetial,voltage,potential difference

0 Answers  

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What logic function is obtained by adding an inverter to the output of an and gate?

0 Answers  

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