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Q. Write a note on feedback of emitter follower?
The emitter follower can be seen to be an example of negative feedback when the relationship
is put in the form
Which when compared to
shows that B=1. The gain with feedback is
The gain of 1 can be seen as a result of all the output being fed back to the input.
Q. Describe the operation of 8279. And also explain following terms: (i) N key Roll over. (ii) Key board debounce. (iii) FIFO RAM. Ans: 8279 is a programmabl
Q. An antenna has an aperture area of 10 m 2 ,an aperture ef?ciency of 0.6, and negligible losses. If it is used at 5 GHz, determine: (a) Its power gain. (b) The maximum pow
Description of Capacitor r A capacitor has capacitance of one Farad when current charging of one Ampere flows in one second. This process causing a transferring of one volt in p
2+7
Testing for Continuity : You may have observed sometimes that when all the connections in the appliance as well as the plug are made properly the appliance may still not work. Thi
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Explain how memory paging is used for memory addressing. The memory paging mechanism placed inside the 80386 and above permits any physical memory location to be assigned to se
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