Why is collector region is greater than emitter region?

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What is an extended cell? How does it impact the system? Channels and TDMA structure

1 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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explain Functional Descriptions D/240PCI-T1 and D/240SC-T1

0 Answers   Intel,

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What are the characteristics of an Ideal voltage source?

2 Answers   Bhel, Microsoft,

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Name the two forms of boolean expression?

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What is meant by dc chopper?

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i am electronics & comm engg & appling 4 the AAI jr executive (electronics/ATC) written test. pls forward me the syllabus & old question papers.I will be very much thankful to you akil403@yahoo.com

0 Answers  

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can any one say what are the non-scientific calculators?..i use casio ms350...wtr it is a scientific or non-scientific....

1 Answers   Microtek,

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How is cad used with electronics?

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which is the best institute in india to get trained on telecom protocol testing?

1 Answers  

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For explain what vertical and horizontal plates are provide in a cro?

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