What losses occur in a thyristor during working conditions?
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Hi, I am an Telceom engineer,I know about LSL,HSL links between various Network Elements. Can anyone explain me about F link in telceom. Regards, Sanchit Bhardwaj
what is the SKIN effect in a condactor and how can be decrease??????
11. BCSU card in BSC can support how many TRXs? 12. What is the command to check list of sites that are down?
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What is the function of freewheeling diodes in controlled rectifier?
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?
What is the use of Testing framework in Automated testing..what are different kinds of Testing frameworks available in Automated testing..
What does ce mean. You will see it on almost every chip(ic)?
What is ARFCN? Which ARFCNs are allocated to Ufone?
Suppose, I m talking with mine friend and I m going to market by car(setting).After some distance passed, mine call will be handover to other site, this site allready going on with full trafic than mine call will be drop or handover to the same site .....
Balun is a transformer which changes a). unbalanced to balanced line b). balanced to unbalanced line c). zero to infinite impedance d). input like transformer
which is effective parallel or serial communication?