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A GSM cellular telephone standard requires a minimum of 9 dB rejection of interfering signal levels of -23 dBm at 3 MHz from the carrier, -33 dBm at 1.6 MHz from the carrier, and -43 dBm at 0.6 MHz from the carrier, for a carrier level of -99 dBm. Determine the required local oscillator phase noise at 3 MHz carrier frequency offset.
The carrier recombination lifetime becomes majority or injected carrier lifetime.
The reduction in carrier lifetime brings about __________
Determine the total carrier recombination lifetime of a double heterojunction LED where the radioactive and nonradioactive recombination lifetime of minority carriers in active region are 70 ns and 100 ns respectively.
Determine the internal quantum efficiency generated within a device when it has a radiative recombination lifetime of 80 ns and total carrier recombination lifetime of 40 ns.
Calculate the recombination rate if the excess carrier concentration is 1014cm-3 and the carrier lifetime is 1µseconds.
দেওয়া আছে (i) অর্ধপরিবাহীর Majority carrier election, (ii) p-type অর্ধপরিাবাহীর Majority carrier hole এবং (iii) pure অর্ধপিরবাহীর Majority carrier hole । নিচের কোনটি সঠিক?
The IF spectrum consists of a vision carrier, a first IF carrier at 5.5 MHz and a second at 5.7421 MHz from the vision carrier in stereo sound in television.
A set of goods carrier that consists of 100 carrier boxes costs Rs.1040. After price change, it costs Rs. 1249. The quantity of goods carrier purchased before price change and after price change are 100 and 125. Find price elasticity of demand.
Which one of the following is the ratio decidendi of the case of Rylands v. Fletcher?
1. A person is liable if he brings on his land some dangerous thing
2. The liability arises not because there was any fault on the person but because he kept some dangerous thing on his land
3. Even if the defendant was not negligent in causing the harm, he could still be made liable under the rule
4. A person, who for his own purposes brings on his lands and keeps there anything which is likely to do mischief if it escapes, is prima facie answerable for the damage which is the natural consequence of its escape.
Which of the statements given above is/are correct?