Answer / dinesh

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DineshKumar.B

draw the circuit diagram of a transistor frequency convertor using a tetrode transistor?

0 Answers  

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pls. send me 10 years modle papers for the post of section engg. (E&C) in rrb ajmer, at my mail id i.e. praveen.yugal@gmail.com.

0 Answers   Nokia,

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capacitive transducer : dielectric type.

2 Answers   ONGC,

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For the cmrr to be infinite what will be the condition?

0 Answers  

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Tell me what is the max. Or min . Value of tv in msa to calculate r&r?

0 Answers  

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Router Packet Flow from one network to other network?

2 Answers  

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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?

3 Answers   DRDO, Electronics,

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what is the minimum and maximam trace width in PCB design? why trace is measured in mils? what is the use of via? why the crystal oscillator is placed near chip?

0 Answers   Wipro,

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What is meant by input power factor in controlled rectifier?

0 Answers  

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1.what is the purpose of zenar diode? 2.what is the difference between BJT and FET?

4 Answers   Wipro,

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i am appearing for the test of NIC SCIENTIC OFFICERS. so please anybody could mail me its placement paper at coolcool.212000@gmail.com

0 Answers   NIC,

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what is AM,FM,& PM

2 Answers   IETE,

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